{"title":"371 SR920SW \u0026 370 SR920W Watch Batteries","description":"\u003cp\u003eThe 371 battery, also known by its IEC code SR920SW, is a 1.55V silver oxide button cell measuring about 9.5mm across and 2.0mm thick. The 370, or SR920W, is exactly the same size. Here you will find every 371 \/ 370 watch battery we stock, from Renata, Maxell, Seiko, Murata and Seizaiken, so you can pick the brand you prefer.\u003c\/p\u003e\u003cp\u003eThe SW version is made for watches with a low power draw, such as most simple analogue quartz watches, while the W version suits watches that draw more power, for example those with alarms, backlights or chronograph functions. If you are not sure which you need, fit the same type as the battery that came out of your watch.\u003c\/p\u003e\u003cp\u003eUK delivery is free on every order, and orders placed before 2pm Monday to Friday are dispatched the same day.\u003c\/p\u003e","products":[{"product_id":"seizaiken-sr920sw-silver-oxide-watch-battery-genuine-japan-made-371-long-lasting-power","title":"Seizaiken 371 \/ SR920SW Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eSeizaiken 371 \/ SR920SW Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Seizaiken 371 \/ SR920SW silver oxide cell. Stable voltage and leak‑resistant design for dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 371 \/ SR920SW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Seizaiken","offers":[{"title":"Default Title","offer_id":51360167199062,"sku":"SEIZAIKEN_371_SR920SW","price":3.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Seizaiken_by_Seiko_371_SR920SW_Silver_Oxide_Watch_Battery.png?v=1762695175"},{"product_id":"seizaiken-sr920w-silver-oxide-watch-battery-genuine-japan-made-370-long-lasting-power","title":"Seizaiken 370 \/ SR920W Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eSeizaiken 370 \/ SR920W Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Seizaiken 370 \/ SR920W silver oxide cell. Stable voltage and leak‑resistant design for dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 370 \/ SR920W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Seizaiken","offers":[{"title":"Default Title","offer_id":51360167362902,"sku":"SEIZAIKEN_370_SR920W","price":3.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Seizaiken_by_Seiko_370_SR920W_Silver_Oxide_Watch_Battery.png?v=1762695119"},{"product_id":"seiko-371-sr920sw-1-55v-silver-oxide-mercury-free-watch-battery-made-in-japan","title":"Seiko 371 \/ SR920SW Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eSeiko 371 \/ SR920SW Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Seiko 371 \/ SR920SW silver oxide cell. Stable voltage and leak‑resistant design for dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 371 \/ SR920SW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":51368316371286,"sku":"SEIKO_371_SR920SW","price":2.82,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Seiko_371_SR920SW_Silver_Oxide_Watch_Battery.png?v=1762697855"},{"product_id":"seiko-370-sr920w-1-55v-silver-oxide-mercury-free-watch-battery-made-in-japan","title":"Seiko 370 \/ SR920W Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eSeiko 370 \/ SR920W Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Seiko 370 \/ SR920W silver oxide cell. Stable voltage and leak‑resistant design for dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 370 \/ SR920W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":51368316567894,"sku":"SEIKO_370_SR920W","price":2.82,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Seiko_370_SR920W_Silver_Oxide_Watch_Battery.png?v=1762697807"},{"product_id":"maxell-371-sr920sw-1-55v-silver-oxide-mercury-free-watch-battery-made-in-japan","title":"Maxell 371 \/ SR920SW Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eMaxell 371 \/ SR920SW Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Maxell 371 \/ SR920SW silver oxide cell. Stable voltage and dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 371 \/ SR920SW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Maxell","offers":[{"title":"Default Title","offer_id":51369969811798,"sku":"MAXELL_371_SR920SW","price":3.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Maxell_371_SR920SW_Silver_Oxide_Watch_Battery.png?v=1762509827"},{"product_id":"maxell-370-sr920w-1-55v-silver-oxide-mercury-free-watch-battery-made-in-japan","title":"Maxell 370 \/ SR920W Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eMaxell 370 \/ SR920W Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Maxell 370 \/ SR920W silver oxide cell. Stable voltage and dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 370 \/ SR920W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Maxell","offers":[{"title":"Default Title","offer_id":51369969877334,"sku":"MAXELL_370_SR920W","price":3.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Maxell_370_SR920W_Silver_Oxide_Watch_Battery.png?v=1762509779"},{"product_id":"murata-370-sr920w-1-55v-silver-oxide-mercury-free-watch-battery-made-in-japan","title":"Murata 370 \/ SR920W Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eMurata 370 \/ SR920W Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Murata 370 \/ SR920W silver oxide cell. Stable voltage and dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 370 \/ SR920W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Murata","offers":[{"title":"Default Title","offer_id":51374797652310,"sku":"MURATA_370_SR920W","price":4.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Murata_370_SR920W_Silver_Oxide_Watch_Battery.png?v=1762707947"},{"product_id":"murata-371-sr920sw-1-55v-silver-oxide-mercury-free-watch-battery-made-in-japan","title":"Murata 371 \/ SR920SW Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eMurata 371 \/ SR920SW Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Murata 371 \/ SR920SW silver oxide cell. Stable voltage and dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery size:\u003c\/strong\u003e 371 \/ SR920SW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Murata","offers":[{"title":"Default Title","offer_id":51374797685078,"sku":"MURATA_371_SR920SW","price":3.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Murata_371_SR920SW_Silver_Oxide_Watch_Battery.png?v=1762707998"},{"product_id":"renata-370-sr920w-1-55v-silver-oxide-mercury-free-watch-battery-made-in-switzerland","title":"Renata 370 \/ SR920W Swiss Made Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eRenata 370 \/ SR920W Swiss Made Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Renata Swiss Made 370 \/ SR920W Silver Oxide Watch Battery. High quality Swiss Battery, Stable voltage and leak-resistant design for dependable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery size:\u003c\/strong\u003e 370 \/ SR920W \u003cbr\u003e\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide \u003cbr\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches \u003cbr\u003e\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3-5 years \u003cbr\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Renata batteries may be supplied in either \u003cstrong\u003ewhite\u003c\/strong\u003e or \u003cstrong\u003eblue\u003c\/strong\u003e genuine Renata blister packaging depending on the manufacturer's wholesale packaging. The battery supplied is identical in specification and quality.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Renata","offers":[{"title":"Default Title","offer_id":51763971162454,"sku":"RENATA_370_SR920W","price":4.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Renata_370_SR920W.png?v=1762299461"},{"product_id":"renata-371-sr920sw-1-55v-silver-oxide-mercury-free-watch-battery-made-in-switzerland","title":"Renata 371 \/ SR920SW Swiss Made Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eRenata 371 \/ SR920SW Swiss Made Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Renata Swiss Made 371 \/ SR920SW Silver Oxide Watch Battery. High quality Swiss Battery, Stable voltage and leak-resistant design for dependable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery size:\u003c\/strong\u003e 371 \/ SR920SW \u003cbr\u003e\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide \u003cbr\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches \u003cbr\u003e\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3-5 years \u003cbr\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Renata batteries may be supplied in either \u003cstrong\u003ewhite\u003c\/strong\u003e or \u003cstrong\u003eblue\u003c\/strong\u003e genuine Renata blister packaging depending on the manufacturer's wholesale packaging. The battery supplied is identical in specification and quality.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Renata","offers":[{"title":"Default Title","offer_id":51763971260758,"sku":"RENATA_371_SR920SW","price":3.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Renata_371_SR920SW.png?v=1762299487"},{"product_id":"renata-premium-371-sr920sw-1-55v-silver-oxide-mercury-free-watch-battery-made-in-switzerland","title":"Renata Premium 371 \/ SR920SW  Swiss Made Silver Oxide Watch Battery","description":"\u003cp\u003e\u003cstrong\u003eRenata Premium 371 \/ SR920SW  Swiss Made Silver Oxide Watch Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your timepiece running accurately with the Renata Swiss Made Premium 371 \/ SR920SW  Silver Oxide Watch Battery. High quality Swiss Battery, Stable voltage and leak-resistant design for dependable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cp\u003e\u003cstrong\u003eBattery size:\u003c\/strong\u003e 371 \/ SR920SW\n\u003cbr\u003e\u003cstrong\u003eChemistry:\u003c\/strong\u003e Silver Oxide\n\u003cbr\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e Suitable for a wide range of analogue and digital watches\n\u003cbr\u003e\u003cstrong\u003eShelf life:\u003c\/strong\u003e Fresh stock, typically 3-5 years\n\u003cbr\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single retail pack (brand new, factory sealed)\n\u003c\/p\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip:\u003c\/em\u003e Check your existing battery code or watch manual before ordering.\u003c\/p\u003e\n\u003cp\u003eFast UK dispatch from Chrono Straps UK.\u003c\/p\u003e","brand":"Renata","offers":[{"title":"Default Title","offer_id":51763974078806,"sku":"RENATA_PREMIUM_371_SR920SW","price":4.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/1439\/9062\/files\/Renata_Premium_Gold_371_SR920SW.png?v=1774983007"}],"url":"https:\/\/www.chronostraps.co.uk\/collections\/371-sr920sw-watch-battery.oembed","provider":"Chrono Straps UK","version":"1.0","type":"link"}