How long is the battery life of my watch? Batteries fitted in our timepieces are expected to last between 2 to 4 years depending on external factors such as, but not limited to: external temperature, humidity, air pressure, etc. Related articles My watch stopped – what do I do? What type of battery do you use? How do I get my Daniel Wellington watch repaired? How long is the warranty valid on DW watches and what does it cover? How do I change my strap?