Bench Watch Case Back Opener – Screw-Down, Adjustable Holder

Bench watch case back opener helps you open and close screw-down, Oyster-style watch backs with more control, reducing slips and case scratches during repair. Built for the workbench, this heavy die-cast iron tool stabilizes the watch while the adjustable holder keeps it centered for consistent pressure. Ideal for watchmaking, maintenance, and workshop use when you need repeatable results on waterproof screw-in cases.

• Delivers stable bench-mounted leverage for opening and closing screw-in watch case backs


• Protects cases with a secure vice-style clamp that helps prevent marring and slipping


• Includes an adjustable case holder for flexible fixing across multiple watch sizes


• Handles Oyster-style waterproof case backs commonly found on tool and diver watches


• Supports frequent use with a durable die-cast iron frame and steady base footprint

Set up your workstation with a case back opener designed for fast, controlled servicing. The rigid frame and wide base help keep the tool steady while you align the watch in the holder and apply even torque—useful for routine battery changes, gasket checks, or full watch repair. Keep it on your bench to reduce fumbling with handheld tools and to protect customer watches from accidental marks. Grab yours today and streamline your watch case opening and closing workflow.

• Case size range supported: 0.24–0.88 in


• Base size: 4 in × 10 in


• Physical height: 11.5 in


• Product length: 12 in


• Top diameter: 6 in


• Weight: 6.6 lb


• Package size: 12 in × 12 in × 8 in


• Material: die-cast iron frame


• Includes: bench opener/closer, adjustable case holder