silver on a off white background
RL 507-D2 RL 507-D2 Ronda Quartz Powertech Movement is a 3 hand (hour/minute/seconds) Swiss assembled
71 mm x 20
5 1/2" (14cm) 3 Square (triangular) Needle File cut 2 Swiss Pattern is a square file
Omega® Crown (Dustproof), yellow, case numbers: 8152, 8153, 511.0023, 551.0023, 690.9526, 711.351 Rolex® 1601 silver on a off whiteOmega Crown (Dustproof), yellow, case numbers: 8152, 8153, 511. 0023, 551. 0023, 690. 9526, 711. 351 Omega Yellow Dustproof Crown, domed, diameter 2. 95 mm, total height of crown including pipe 2. 40 mm, medium pipe, tap 0. 90 mm. Fits Omega case numbers: 8152, 8153, 5110023, 5510023, 6909526, 711351 *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.