The Optimum Time OS3 / OE3 Battery Replacement Kit provides everything you need to quickly and easily replace your watch battery at home. Designed specifically for Optimum Time equestrian watches, this complete kit helps maintain performance and accuracy without the need for professional servicing.
Kit Includes:
- Replacement battery
- Precision screwdriver
- Rubber seal for water resistance
- Silicone gel for protection
- Tweezers for easy handling
- Spare screws
Ideal for Optimum Time OS3 and OE3 watches, this battery replacement kit ensures your equestrian timer stays reliable, accurate, and ready for competition.
Battery replacement instructions
Year: 2026Model: OS315COMBAT001