Omega® Crown (Waterproof, with split post attached), yellow, total length 7.05 mm 773 Series Ronda mainspring number 1712

mainspring number 1712

11 mm x 21

part number 1554 fits Omega® 750

3 hands (150/90/25): hour/minute/second

Omega® Crown (Waterproof, with split post attached), yellow, total length 7.05 mm 773 Series Ronda mainspring number 1712Omega Crown (Waterproof, with split post attached), yellow, total length 7. 05 mm Omega Yellow Waterproof Crown with female post attached, square, diameter 5. 00 mm, fits tube 2. 00 mm, total length 7. 05 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.