RAYOVAC 371 ( SR920sw )
Recognised as one of the largest and most trusted of battery manufacturers,
Rayovac watch batteries are chosen by watch professionals the world over
This battery is a direct replacement for the following battery numbers....
Citizen 280- 31, SR69, RW315, SR920SW, AG6(Alkaline cell), D371, 30, SB-AN
The physical dimensions of this battery are
Diameter 9.5mm x Thickness 2.0 mm