ZB2BW14C Illuminated push button head, Easy Harmony XB2, metal Illuminated push button 22 mm silver contact 82 6152.2134.B001 EAO 10 pieces switch button shell 00 780 2321 00 780 2317 00 780 2318 Sbc7bd869aaeb4d33b472da176c39e9d66.jpg. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit R21540742 Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss or Chinese or Japanese Movement Water Resistance Compatibility: Suitable for 50m Water Resistant Watches Mercury Free: Environmentally Friendly (0% Hg) High Low Temperature Tolerance: Extended Performance in Extreme Climates SKU: R21540742_K0063762