Renata 346 Swiss Silver Oxide Watch Battery Ref:346 Equivalents Sr712sw, 280-66, Sb-dh, 628, Gp346, 346, V346. Renata"s Make Over 40 Different Watch Battery Types, Mostly Silver Oxide 1.55 Volt, This Offers A Suitable Power Source For Any Electronic Device Requiring An Ultra-compact, Long Lasting, Low Voltage Power Source. Thanks To Its Close Association With Swiss Watch Industry, Renata Has First-hand Knowledge Of What A High Quality Watch Battery Must Stand For: An Optimised Volume/capacity Ratio Dimensional Precision And Stability High Capacity Retention On Storage (low Self-discharge) Excellent Reliability Thanks To A Uniformly High Quality Level State Of The Art Leakproofness Thanks To A Sophisticated Sealing Process Constant Availability