RENATA's comprehensive assortment of over 40 different watch battery types, mostly of the silver oxide 1.55 V system, offers a suitable power source for any electronic device requiring an ultra-compact, long lasting, low voltage power source.Specifications: Battery Capacity: 80.0mAh. Battery Technology: Silver Oxide (Single Use). Diameter: 11.6mm. Height: 3.1mm. Voltage: 1.55V. Weight: 1.4g. Replaces: 280-24, 390, 603, D390, GS10, S24, SB-AU, SR1130, SR1130SW, SRI-BOSW, TR1130W, V390, WS-10. - Genuine Renata battery - Swiss made - Sealed Blister Pack - Battery life is 12 - 18 months approx.