0 mm (5/16”) thickness x 2
30 mm in diameter height of 3
Genuine Omega® dial screw
intermediate crown wheel core for alarm to fit Jaeger LeCoultre® calibres: 489
case numbers: 8862
Omega® Crown (Waterproof, threaded), yellow,case numbers: 178.0514, 278.0510 LeCoultre® 10RP 0 mm (5/16”) thickness xOmega Crown (Waterproof, threaded), yellow,case numbers: 178. 0514, 278. 0510 Omega 18Kt Yellow Threaded Waterproof Crown, diameter 6. 00 mm, fits tube 2. 60 mm, total height 6. 10 mm, long pipe, tap 0. 90 mm, fits tube 090ST4201. Fits Omega case numbers: 1780514, 2780510 *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