Maxell Silver Oxide SR920W 15 Batteries
Please keep these and all shiny child-attracting small batteries out of the reach of children; they are dangerous if swallowed.
For a great price on a box of 100 click here
Do not use (inherently low performing) "LR" alkaline batteries in place of silver oxide in any timepiece: alkaline have declining power output.
Made in Japan for best results always use a Japan battery in a Japan timepiece
Genuine Maxell Hologram Anti-Counterfeit Packaging (other package is not genuine)
370 SR920W is completely interchangeable with 3 7 1 SR 920 S W.
This is a primary non rechargeable disposable battery
The 370 is a long life silver oxide chemistry with non-declining power output; alkaline batteries of the same 1.5 voltage start at 1.5 and at the half life are at .8 volts, silver oxide start at 1.55 volts and maintain the voltage until expiring. This is why silver oxide batteries are always used in watches, insulin pumps and sniper scopes or mission critical situations. Never use alkaline batteries for any device requiring a steady constant voltage. A watch with declining voltage cannot give the correct time.
This is from the American Watchmakers-Clockmakers Institute 2008 Edition Handbook "Battery Number System". This Battery is cross-referenced as: AWCI S21: Energizer 371/370, Energizer 370/371, Energizer MD371, Energizer MD370, UCAR 371/370, UCAR 370/371, UCAR MD371, UCAR MD370, Eveready 371/370, Eveready 370/371, Eveready MD371, Eveready MD370, Citizen 280-31, Citizen 280-51, Duracell D371/D370, Duracell D370/D371, Mallory D371/D370, Mallory D370/D370, Gold-Peak GP71, Sylvia-cell GP71, Maxell SR920W, Panasonic SP371, Panasonic SP370, Panasonic SR920W, Rayovac 370, Rayovac 371, Rayovac RW415, Rayovac RW315, Renata 371, Renata 370, Renata 30, Renata 36, Seiko SR/TR920SW, Seiko SR/TR920W, Seiko SB-AN, Seiko SB-BN, Sony SR920W, Sony 371, Sony 370, Energytec SR920W, Energytec 371, Energytec 370, Toshiba SR920W, Toshiba D1T, Toshiba D1L, Varta V371, Varta V370, Varta 537, LR921, Seiko 6533-5039.
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