The 344 watch battery, also known as SR1136SW (IEC code SR42), is a 1.55V silver oxide button cell about 11.6mm across and 3.6mm high. This page brings together every 344 battery we stock, all genuine Japanese cells from Maxell.
The SW at the end of SR1136SW tells you it is a low drain cell, made for analogue watches with a low power draw. Not sure which battery you need? Search any code in our watch battery chart.
UK delivery is free on every order.
