This watch case opener will open most waterproof watch cases. Includes four sets of different type of chucks, chucks will work on polygonal, slotted, hole, and grooved case back. Made of high quality steel to help form a tight grip when removing the metal caseback from waterproof watches. Because this tool is metal, it may have additional grease around joints to prevent rusting and ensure smooth operation when adjusting tool.

Watch case opener will open most waterproof watch cases. Change batteries quickly

Includes four sets of different type of chucks. Must have tool for any collector

Made of high quality steel to help form a tight grip when removing the metal caseback

Easy to use and adjustable for different sized watches

Tool comes in a red storage box to hold all pieces.