5537 Watch Back Case Opener Tool with 7 Grooved Dies, 18.5-36.5 mm

Easily open grooved waterproof watch cases with this premium 5537 Watch Back Opener Kit. Includes a heavy-duty wrench and 7 precision dies ranging from 18.5mm to 36.5mm. Designed for safe, scratch-free operation, it is an essential tool for professional watchmakers, jewelers, and hobbyists replacing batteries or repairing movements. Durable metal construction ensures long-lasting reliability.

• [7 Sizes Grooved Dies] Includes 7 precision dies (18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 36.5mm) covering most grooved waterproof watch cases. Perfect for extensive watch repair needs.
• [Premium 5537 Wrench] Heavy-duty metal construction ensures durability and maximum torque. Provides a secure grip to easily open stubborn watch backs without slipping.
• [Scratch-Free Operation] Precision-machined grooves fit case backs perfectly. Safely removes covers for battery replacement or movement repairs without damaging the watch.
• [Easy to Use] Designed for both professional watchmakers and beginners. Simply attach the correct die to the wrench, align with the watch back, and twist.
• [Complete Repair Kit] Package includes 1 sturdy wrench handle and 7 interchangeable chucks, neatly organized in a storage box for easy portability and safe keeping.