Maxell Watch Battery SR41W is a silver oxide high drain battery 1.55 V. Watch Battery 392 measures 7.9X3.6mm. Maxell SR41W is mercury free and has a capacity of 45 mAh.
Interchange: Energizer 392, Renata 392, Varta V392, Rayovac 392, Duracell D384/392, Timex K, Citizen 280-13, Seiko SB-B1, I.E.C SR736 (SR41)