Superior Maxell Micro Silver Oxide SR927SW 2 Packs of 5 Batteries 395
Do not use (inherently low performing) alkaline batteries in place of silver oxide in any timepiece.
Made in Japan
Genuine Maxell Hologram Anti-Counterfeit Packaging (other package is not genuine)
Dimensions 9.5mm Diameter x 2.7mm Height
1.55 volts 55-57 mAh
The 395 SR927SW is completely interchangeable with the 399 SR927W
This is a primary non rechargeable disposable battery
The 395/399 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.
Fits and Replaces:
This is from the American Watchmakers-Clockmakers Institute 2008 Edition Handbook "Battery Number System". This Battery is cross-referenced as: AWCI S28, Energizer 395/399, Energizer 395, Energizer 399, Eveready 395/399, Eveready 395, Eveready 399, UCAR 395, UCAR 399, UCAR 395/399, Citizen 280-44, Duracell D395, Duracell D399, Mallory 395, Mallory 399, Gold Peak GP99, Sylva Cell GP99, Maxell SR927W Maxell SR926W, Panasonic SP399, Panasonic SP395, Panasonic SR927W, Panasonic SR926W, National SP395, National SP399, National SR927W, National SR926SW, Rayovac 395, Rayovac 399, Rayovac RW413, Renata 395, Renata 399, Renata 35, Seiko SR927W, Seiko TR927W, Seiko SR926W, Seiko TR926W, Seiko SB-BP, Seiko SB-EP, Seizaiken SR927W, Seizaiken TR927W, Seizaiken SR926W, Seizaiken TR926W, Seizaiken SB-BP, Seizaiken SB-EP, Sony SR927W, Sony SR926W, Sony 395, Sony 399, Energytec SR927W, Energytec SR926W, Energytec 395, Energytec 399, Toshiba SR927W, Toshiba SR926W, Toshiba W2T, Toshiba D2T, Varta V395, Varta 399, Varta 523