This Bergeon 5537 is a high quality case opener designed to open Rolex and other grooved, waterproof case backs. It features six precision made dies that are perfect for opening oyster-shaped Rolex watch case backs. The dies fit oyster-shaped case back sizes: 18.50 mm, 20.20 mm, 22.50 mm, 26.50 mm, 28.30 mm, and 29.50 mm. The handle provides you with a well balanced, comfort grip with plenty of power to make opening and closing watch case backs safer and easier than ever.
• It features six precision made dies that are designed to fit grooved watch case backs
• Fit oyster-shaped case back sizes: 18.50 mm, 20.20 mm, 22.50 mm, 26.50 mm, 28.30 mm, and 29.50 mm
• Handle provides you with a comfort grip and plenty of power while keeping the watch centered and balanced
• Professional quality, top of the line tool
• Swiss made