Check the listing for details. Sony 364 SR621SW Watch Battery 2Pc. Condition: New. Listed at 1.99 USD. Sony 364 SR621SW Watch Battery 2Pc. Cross Reference Interchangeable with: 602, 280-34, GP64, 364, SR620SW, RW320, 51, 31, SB-DG, SB-AG, T, W1V, D1V, 531, SR60, GS1, SG1, S14Technical References*Condition: Brand New High Quality/ Factory Sealed Blister PackagesMade in JapanCapacity: 23 mAhVoltage: 1.55 V Diameter: 6.8 mmHeight: 2.15 mmChemistry: Silver OxideReplaces for: AG1, Energizer 364, Duracell D364, Panasonic SP364, Sony SR621SW, Toshiba SR621SW and Varta V364 and G1, AG1, AG1X1, LR621, 364, 3645B, SR60, AG-1, AG1, SG1, SR621, TR621, 164,SR621SW, TR621SW.*Applications* : Watches, Cameras, Calculators, Car Security Alarm, Keyless Car Remotes, Organizers, Glucometer, Computer Equipment (Memory backup battery), Toys, Communication Equipment, Data Pack for Video Cameras and any other devices that requires this battery size.