Panasonic watch battery

Varta - 6220101401 - Varta CR1220 Lithium Button Battery 3.0 Volt, 35 mAh, battery diameter: 12.5 mm, height: 2 mm. -6220101401

Reliable silver‑oxide power for small watches, delivering a steady 1.55 V with 23 mAh capacity in a compact 6.8 mm button cell that fits most timepieces and keeps them running smoothly.