Always right on time - chronometric accuracy provided by Varta watch batteries. In our complete and reliable high-quality range you are bound to discover just the right battery for your watch!Varta Watch SR57 / V399 - Get down to the cellular level. Tiny button cells provide high energy.Capacity: 42 mAhVoltage: 1.55 VAlternative item description: 399, V399, SR927W, SR57, SR927, SR926, D399, 613, W, 280-44, SB-BP, SB-EP, RW413, B-SR57H, R399/35, 1165SO, GP99, 926E, AG7, AG-7, LR927, GR927, CX926, 399X, 399A, LR926, SR927PW, SR327W, 399