Amazon.com: Duracell 384/392 Silver Oxide Button Battery, 1 Count Pack, 384/392 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Health & Household
LR44 vs. 357: Are LR44 and 357 cells interchangeable?
Renata 303 Watch Battery (1PC)
Leclanché Batterie Alkaline Professional (1 pcs., C) - buy at digitec