Omega® Crown (Waterproof, with split post attached), case numbers: 165.0023, 165.0023SP torches O-ring case back gasket to

O-ring case back gasket to fit Omega® case numbers: 5910018

This is a 2 jewel movement

Recta T J 1

Mauthe 34 TU/90 (alarm)

35 mm diameter

Omega® Crown (Waterproof, with split post attached), case numbers: 165.0023, 165.0023SP torches O-ring case back gasket toOmega Crown (Waterproof, with split post attached), case numbers: 165. 0023, 165. 0023SP Omega Yellow Waterproof Crown with female post attached, square, diameter 4. 50 mm, fits tube 2. 00 mm, total length 5. 10 mm. Fits Omega case numbers: 1650023, 1650023SP *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.