Omega® Crown (Waterproof, Tap 0.90 mm), yellow, square, diameter 4.75 mm, see all case numbers in description LeCoultre® 497/1 and pushers P27

and pushers P27

Omega® Case Back Gasket (Round O-Ring) OM-088NS0830 (replacement for 0880830N)

setting lever screw to fit Jaeger LeCoultre® calibres: 9OL

Genuine Omega® coupling wheel

Omega® Crown (Waterproof, Tap 0.90 mm), yellow, square, diameter 4.75 mm, see all case numbers in description LeCoultre® 497/1 and pushers P27Omega Crown (Waterproof, Tap 0. 90 mm), yellow, square, diameter 4. 75 mm, see all case numbers in description Omega Yellow Waterproof Crown, square, diameter 4. 75 mm, fits tube 2. 00 mm, total height 3. 00 mm, flush pipe, tap 0. 90 mm. Fits Omega case numbers: 152990, 1660058, 1660059, 1680044, 1680047, 1660058, 1660059, 1680044, 1680059, 1680060, 3667002, 3680847, 5900944, 6330, 6695 *Perrin Supply Ltd is independent of and not affiliated with or