Good quality case opener for all watch sizes including the very large, is a crab style opener for screw on case backs but has interchangeable jaxa style heads so this should open all types of screw on case backs.
We sell a range of great value tools and parts for watch, clock and Jewellery craft. Please see in shop.
Please buy with confidence if you are not happy we offer a full 60 day refund for any reason, just return the item.