393 Silver Oxide Button Cell Battery | Battery Mart
Energizer-321 Watch Battery Replacment, SR616SW,
Amazon.com : Duracell 309/393 Silver Oxide Button Battery, 1 Count Pack, 309/393 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Calculator Accessories : Health & Household
Amazon.com: 393 or 309 Energizer - 1 Pack of 5 Batteries. SR48W, AG5, LR754, SR754W Timex F Energizer 393 : Health & Household