348 Watch Battery SR421SW
Maxell or Sony 348 1.55V Silver Oxide Battery. Alternative code for this battery is: SR421SW.
Dimensions in mm: Diameter x Depth = 4.8 x 2.1
Check all watch battery dimensions with our Watch Battery Cross Reference Table
This watch battery is no longer available. The only alternative woud be the 337 watch battery, which is the same diameter, but thinner. To use this battery in place of the 348 would require packing the 337 battery out with some conductive material or bending the contacts to make a connection.