Renata Watch Battery 321 is a silver oxide low drain battery 1.55 V. Watch Battery 321 measures 6.8X1.6mm. This battery is mercury free and has a capacity of 14.5 mAh. Renata Switzerland is a leading manufacturer of premium button cells for watches and many electronic products.
Interchange: Energizer 321, Maxell SR616SW, Varta V321, Rayovac 321, Timex DA, Citizen 280-73, Seiko SB-AF/DF, I.E.C SR616 (SR65).