Seiko 379 / SR521SW Silver Oxide Watch Battery

Seiko 379 / SR521SW Silver Oxide Watch Battery

Keep your timepiece running accurately with the Seiko 379 / SR521SW silver oxide cell. Stable voltage and leak‑resistant design for dependable performance.

• Battery size: 379/ SR521SW
• Chemistry: Silver Oxide
• Use: Suitable for a wide range of analogue and digital watches
• Shelf life: Fresh stock, typically 3–5 years
• Packaging: Single retail pack (brand new, factory sealed)

Tip: Check your existing battery code or watch manual before ordering.

Fast UK dispatch from Chrono Straps UK.