O-rings are great at keeping water out, but they also can get damaged easily. Use this kit to replace your battery compartment O-ring and help keep your Suunto gadget waterproof.
- Battery is not included in the service kit. Suunto Core, Essential, Lumi, t4, t3 and t1 use CR2032 battery
- To ensure water resistance, it's recommended that you change the battery door O-ring with each battery replacement
