Omega® Crown (Waterproof, with split post attached), steel, total height of crown (including post) 7.10 mm Jaeger-Lecoultre® regular crowns Adec® crystal reference A54-38410

Adec® crystal reference A54-38410

Unitas 479

Felsa 4035

Citizen 7878A

Timetrax also features a digital balance mode that helps place a clock in beat and has a built in audio beat amplifier

Omega® Crown (Waterproof, with split post attached), steel, total height of crown (including post) 7.10 mm Jaeger-Lecoultre® regular crowns Adec® crystal reference A54-38410Omega Crown (Waterproof, with split post attached), steel, total height of crown (including post) 7. 10 mm Omega Steel Waterproof Crown with (female) split post attached,12 notches, diameter 5. 00 mm, fits tube 2. 00 mm, total height of crown (including post) 7. 10 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