Power your watches and small electronics reliably with this 5-pack of Sony 364 / SR621SW batteries. With stable output and long-lasting Silver Oxide chemistry, these batteries are ideal for precise devices like watches, remotes, and toys. Main Features: Stable 1.55V output for consistent performance Compact 6.8mm x 2.1mm size fits a variety of small devices Pack of 5 batteries for convenient long-term use Silver Oxide chemistry ensures extended shelf life and reliability Perfect for watches, remotes, toys, and precision electronics Specification: Model: 364 / SR621SW Voltage: 1.55V Capacity: 19mAh Size: 6.8mm x 2.1mm Battery Type: Silver Oxide Also Known As: AG1, LR621, D364, SP364, 602, 164, 280-34, SB-AG/DG, SR60, SR60L, SR621, GP364, V364, 531, 364A, CX60, G1, LR60, LR621W, TR621, TR621SW