Battery size: 370. Type: Silver oxide. Other designations: 370, 370/371, 371, 371BP, 537, 605, AWI S18, AWI S21, Citizen 280-31, D371, GP371, KS371, LR921, R371, SP371, SR69, SR920SW, SR921, Seiko SB-AN, Seiko TR920SW, V371, V537.
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