Omega® Crown (Waterproof, with split post attached), steel, total length 7.05 mm LeCoultre® 436 O-ring case back gasket to

O-ring case back gasket to fit Omega® case numbers: 1026

4 shapes with different sizes on each end

GENERIC (this is not original) Omega® Steel Waterproof Crown

Timex M650

oscillating weight screw to fit Jaeger LeCoultre® calibres: 497

Omega® Crown (Waterproof, with split post attached), steel, total length 7.05 mm LeCoultre® 436 O-ring case back gasket toOmega Crown (Waterproof, with split post attached), steel, total length 7. 05 mm Omega Steel Waterproof Crown with female post attached, square, diameter 5. 00 mm, fits tube 2. 00 mm, total length 7. 05 mm. Case numbers are unknown. *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.