Omega® Crown (Waterproof, Tap 0.90 mm), calibres: 450, 455, yellow LeCoultre® 480 Ollie Baker Chucks attaches to

Ollie Baker Chucks attaches to the barrel arbor of the Ollie Baker style mainspring winder

Waltham 16 size 2268 model 1945 running barrel

19 x 412 (16 1/4  ")

5X features a working distance of 20" and has a magnification of 1 1/2X

50 mm flat mineral crystal with black and gold trim

Omega® Crown (Waterproof, Tap 0.90 mm), calibres: 450, 455, yellow LeCoultre® 480 Ollie Baker Chucks attaches toOmega Crown (Waterproof, Tap 0. 90 mm), calibres: 450, 455, yellow Omega Yellow Waterproof Crown to fit Omega calibres: 450 and 455, diameter 4. 00 mm, to fit tube 2. 00 mm, tap 0. 90 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.