Omega® Crown (Waterproof, Tap 0.90 mm), pink, 4 notches, diameter 5.20 mm, see all case numbers in description square settings Brushed End Cap 40 mm

Brushed End Cap 40 mm will fit any brushed brass shell with a 40 mm diameter

Jaeger LeCoultre® flat hairspring

* Perrin Supply Ltd is independent of and not affiliated with or sponsored by Benrus®

Genuine Omega® cap jewel mounted

Omega® Crown (Waterproof, Tap 0.90 mm), pink, 4 notches, diameter 5.20 mm, see all case numbers in description square settings Brushed End Cap 40 mmOmega Crown (Waterproof, Tap 0. 90 mm), pink, 4 notches, diameter 5. 20 mm, see all case numbers in description Omega Pink Waterproof Crown, 4 notches, diameter 5. 20 mm, fits tube 2. 50 mm, total height of crown 2. 90 mm, flush pipe, tap 0. 90 mm, fits Omega case numbers: 10534983, 10971716, 14324, 16533, 19045, 2300, 242331, 244847, 245046, 245554, 2493, 2576, 2577, 2770, 2790, 2802, 2846, 2849, 2857, 401653, 402469, 403095, 406734, 42014, 4540499,