Japanese Style Watch Case Opener V Shape

Die sizes: 21, 26 and 29 mm. For opening and closing Baume & Mercier screw-back cases.

Maximum capacity: Ø 25mm 8-in-1 multipurpose; spring operated and reversible. Will hold a wide range of movements upto 13 ligne

Die Sizes (mm): 18.50, 20.20, 22.50, 26.50, 28.30, 29.50. To open oyster style watches. Watch gets locked into position so that it reduces the chances of scratching.

Butterfly Type with Centre Screw. Adjustable metal pin will slide to open many screw-on watch case backs. Popularly used in Bulova watches. Maximum opening: 50mm.