Renata 381 SR1120SW Battery - 1.55V Silver Oxide Watch Battery - Renata has first hand knowledge of what a high quality watch battery must stand for. With our comprehensive range of over 40 different types of watch batteries, Renata can supply a suitable power source for any electronic device requiring an ultra-compact, long-lasting, low-voltage source of power. Additional Details ------------------------------ Product description: Renata 381 SR1120SW Battery - 1.55V Silver Oxide Watch Battery - Renata has first hand knowledge of what a high quality watch battery must stand for. With our comprehensive range of over 40 different types of watch batteries, Renata can supply a suitable power source for any electronic device requiring an ultra-compact, long-lasting, low-voltage source of power.