Omega® Crown (Waterproof, Tap 0.90 mm), total height 2.25 mm, see all case numbers in description hygrometer insert 4 mm and the mintue

4 mm and the mintue hand hole is 2 mm

small diameter threads or long engagement length fasteners where easy disassembly is required without shearing the thread

90 mm Split Pin Assortment- 21 to 30 mm long contains 100 stainless steel open end pins from 21 to 30 mm

This crystal is for open face (no lid or cover) pocket watch and timers and low-profile watches (with no step)

PUW PUW 930

Omega® Crown (Waterproof, Tap 0.90 mm), total height 2.25 mm, see all case numbers in description hygrometer insert 4 mm and the mintueOmega Crown (Waterproof, Tap 0. 90 mm), total height 2. 25 mm, see all case numbers in description Omega Yellow Waterproof Crown, Square, diameter 3. 75 mm, fits tube 2. 00 mm, total height 2. 25 mm, flush pipe, tap 0. 90 mm. Fits Omega case numbers: 10776, 10882191, 11045, 12131, 135001, 1350001, 1650004, 2481, 2617, 2676, 3781, 3983007, 4675165, 5150005, 5150007, 5150008, 5150014, 523997, 5270373, 5350004, 55414, 5660005, 5660006, 6231, 6279 *Perrin