337 (SR416) Watch Batteries
Manufactured with silver oxide chemistry, the 337 button cell is a low drain battery, commonly used in wristwatches with few functions. Its compact size makes it a convenient choice for watches with a small case. The 337 is a direct replacement for the 337, SR416, SR416SW, 28075 and SB-A5.
The battery measures 4.8mm in diameter with a height (thickness) of 1.6mm. It supplies 1.55V at a nominal capacity of around 8mAh.