Omega® Crown (Waterproof, Tap 1.20 mm), steel, case numbers: 135.004, 2914 Omega® 550 balance staff - 277-68-40-30 hairspring

balance staff - 277-68-40-30 hairspring collet 40 to fit Jaeger LeCoultre® calibres: 9OL

Movement has an automatic chime silencer (11 pm to 5:45 am) and volume control

08 x 260 (10 1/4  ")

and precise metal removal

outside diameter 33

Omega® Crown (Waterproof, Tap 1.20 mm), steel, case numbers: 135.004, 2914 Omega® 550 balance staff - 277-68-40-30 hairspringOmega Crown (Waterproof, Tap 1. 20 mm), steel, case numbers: 135. 004, 2914 Omega Steel Waterproof Crown, slightly domed, diameter 6. 10 mm, fits tube 2. 50 mm, total height 3. 00 mm, flush pipe, tap 1. 20 mm. Fits Omega case numbers: 135004, 2914 *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.