【Replacement 1.2mm Caseback Screw Set for Omega Constellation 123.2 – 4-Piece Flathead Stainless Steel Screws for 123.20/123.25】 – Precision-engineered replacement caseback screw set
designed for the Omega Constellation 123.2 series. Compatible with 123.20, 123.25, and all 123.2 prefix references that feature the 4-screw caseback system-. Each set includes 4 stainless steel flathead screws (一字螺丝) – the exact number needed for a complete caseback replacement. Crafted from corrosion-resistant stainless steel – matching the original Omega case material. Precision-machined to match the original thread profile and head diameter specification used on 123.2 series cases. The essential replacement part for restoring secure case closure on your Constellation timepiece.
Precision Fit for Omega Constellation 123.2 Series – Specifically engineered for the iconic Omega Constellation collection, compatible with 123.20, 123.25, and all 123.2 prefix references including 123.20.38.21.01.002-, 123.20.27.60.63.003-, and 123.20.35.60.08.001-. The caseback of the Constellation is secured by 4 miniature screws- – this set replaces all of them. Please confirm your watch‘s full model number – different case numbers may use different screw sizes-.
Premium Stainless Steel Construction – Crafted from high-quality stainless steel – matching the material used in the original Omega Constellation case-. Key advantages:
Corrosion-resistant – withstands sweat, moisture, and daily wear
Precision-machined flathead (一字) design – matches the original screw type-
Durable – maintains structural integrity through years of use
Aftermarket replacement – new production, not used or salvaged parts
Essential for Watch Service & Restoration – The Constellation caseback is secured by 4 miniature screws-. Over time, these screws can become worn, stripped, or lost. Perfect for: Replacing worn or missing original screws – restore secure case closure; Completing battery or movement service – replace screws removed during service-; Restoring caseback integrity – ensure proper sealing against dust and moisture; Keeping a spare set – always have replacements on hand.
Professional Installation Recommended – The Constellation uses fine flathead screws – using the wrong screwdriver or excessive force can easily strip the screw head. Use a precision flathead screwdriver that matches the screw head width exactly. Professional installation recommended if you‘re not experienced with watch repair. Please confirm your watch‘s full model number before ordering – case numbers are engraved inside the caseback-. These are aftermarket replacement parts, not genuine Omega® parts. However, they are precision-engineered to match the original specifications used on Omega Constellation 123.2 series watches.
designed for the Omega Constellation 123.2 series. Compatible with 123.20, 123.25, and all 123.2 prefix references that feature the 4-screw caseback system-. Each set includes 4 stainless steel flathead screws (一字螺丝) – the exact number needed for a complete caseback replacement. Crafted from corrosion-resistant stainless steel – matching the original Omega case material. Precision-machined to match the original thread profile and head diameter specification used on 123.2 series cases. The essential replacement part for restoring secure case closure on your Constellation timepiece.
