Watch battery (Wenger)

371 - 9,5x2mm, 1,55V, 35mAh (V371, D371, 280-31, SB-AN, SR921, SR69, SR920SW)
370 - 9,5x2mm, 1,55V, 40mAh (V370, D370, 280-51, SB-BN, SR921, SR69, SR920W)