Maxell 377 SR626SW 5 Batteries or Renata
Please keep these and all shiny child-attracting small batteries out of the reach of children; batteries are dangerous if swallowed.
Dimensions: 6.8mm Diameter x 2.6mm Height
Do not use (inherently low performing) "LR" alkaline batteries in place of silver oxide in any timepiece: alkaline has declining power output.
Made in Japan, China, Swiss
Newest Design Hologram anti-counterfeit packaging
The 377 SR626SW is completely interchangeable with the 3 7 6 SR6 2 6W
This is a primary non rechargeable disposable battery
The 377 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 may be undependable.
This is from the American Watchmakers-Clockmakers Institute 2008 Edition Handbook "Battery Number System". This Battery is cross-referenced as: AWCI S32, AG4, Energizer 377/3 7 6, Energizer 3 7 6/377, Energizer MD377, Energizer MD3 7 6, UCAR 377/3 7 6, UCAR 3 7 6/377, UCAR MD377, UCAR MD3 7 6, Eveready 377/3 7 6, Eveready 3 7 6/377, Eveready MD377, Eveready MD3 7 6, Citizen 280-39, Gold Peak GP77, Sylva-cell GP77, Maxell SR626SW, Maxell SR6 2 6W, Panasonic SP377, Panasonic SR626SW, Panasonic SR6 2 6W, National SP377, National SR626SW, National SR62 6 W, Rayovac 377, Rayovac 3 7 6, Rayovac RW329, Renata 377, Renata 377, Renata 37, Seiko SR/TR626SW, Seiko SR/TR6 2 W, Sony 377, Sony 3 7 6, Sony SR626SW, Sony SR6 2 6W, Energytec 377, Energytec 3 7 6, Energytec SR626SW, Energytec SR6 2 6W, Toshiba SR626SW, Toshiba SR6 26 W, Toshiba D2V, Varta V377, Varta 565
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Fits and replaces: