A quartz timepiece has a 1.55 Volt silver-oxide battery that is specially designed for watches. It will last approximately 12 – 18 months under normal use.
The seconds hand on many models will start to move haltingly in 4-second increments when the battery is almost exhausted, signalling the need to have it replaced. Battery replacement: It is important to use only the replacement battery recommended by SWICO. Take or send your watch brands Authorized Service Centre to have battery changed.