Omega® Crown (Waterproof, with split post attached), yellow, total length 4.40 mm Mido 916P 4 1/2" x 2 3/4"

4 1/2" x 2 3/4" in diameter

The arbors on this clock movement are straight

part number 8044

45 an FHS Hermle Clock Movement that has a plate size measuring 85 x 98 mm and a hand shaft length that measures 33 mm

Waltham R560

Omega® Crown (Waterproof, with split post attached), yellow, total length 4.40 mm Mido 916P 4 1/2" x 2 3/4"Omega Crown (Waterproof, with split post attached), yellow, total length 4. 40 mm Omega Yellow Waterproof Crown with female post attached, square, diameter 3. 70 mm, fits tube 2. 00 mm, total length 4. 40 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.