This watch case opener wrench will open and close most waterproof watch case backs. The wrench can be used for changing watch batteries and movements. The wrench includes 4 sets of pins round, flat, square and toothed. The long handle twists to adjust to the size of the watch back. Wrench comes in a wooden box for easy storage. This watch case opener wrench will open and close most waterproof watch case backs. The wrench can be used for changing watch batteries and movements. The wrench includes 4 sets of pins round, flat, square and toothed. The long handle twists to adjust to the size of the watch back. Wrench comes in a wooden box for easy storage.
