Omega® Crown (Waterproof, Tap 0.90 mm), case numbers: 166.0277, 166.0280, 166.0281, 166.0282, 168.0075, 168.00752, 196.0249, 196.0280, 196.0281, 386.0820, 511.5001, 7447 Generic Crystals to fit Orient Material: Genuine IWC part 9003

Material: Genuine IWC part 9003 (blue steel)

Ideal for small batches of jewellery

78 mm (thick)

Genuine Rolex® rotor cover screw

This battery is mercury free and has a capacity of 130 mAh

Omega® Crown (Waterproof, Tap 0.90 mm), case numbers: 166.0277, 166.0280, 166.0281, 166.0282, 168.0075, 168.00752, 196.0249, 196.0280, 196.0281, 386.0820, 511.5001, 7447 Generic Crystals to fit Orient Material: Genuine IWC part 9003Omega Crown (Waterproof, Tap 0. 90 mm), case numbers: 166. 0277, 166. 0280, 166. 0281, 166. 0282, 168. 0075, 168. 00752, 196. 0249, 196. 0280, 196. 0281, 386. 0820, 511. 5001, 7447 Omega Yellow Waterproof Crown, Square, diameter 3. 50 mm, fits tube 1. 60 mm, total height of crown 2. 30 mm, flush pipe, tap 0. 90 mm. Fits Omega case numbers: 1660277, 1660280, 1660281, 1660282, 1680075, 16800752, 1960249, 1960280, 1960281, 3860820, 5115001, 7447 *Perrin