BA377 = Battery - Renata Mercury Free Watch #377 (SR626SW) (Pkg of 10)

Battery Style: Silver Oxide

Voltage: 1.55v (Low drain)

Diameter: 6.8mm

Height (Thickness): 2.6mm

The #377 is absolutely the most popular watch battery we sell. When ordering these make sure you get plenty! Watch batteries are sold in a package of 10.