5538 Case Opening Dies for Oyster Watches

• Includes six dies and one adapter piece
• Compatible with openers #5537 and #5700 for Oyster waterproof watches
• Grooved dies included: No 0: 18.5mm, No 1: 20.2mm, No 2: 22.5mm, No 3: 26.5mm, No 4: 28.3mm & No 5: 29.5mm

Watch case back opening dies compatible with grooved/oyster case backs. Sizes include: 18.5mm, 20.2mm, 22.5mm, 26.5mm, 28.3mm, 29.5mm.