Cosmograph Daytona 6239 — Big Daytona

Identifying details

• Pump pushers

  Plain push-piece chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. pushers, not screwed down.

• TachymeterTachymeterA chronograph scale that converts the time taken to travel a known distance into average speed. The distance and scale units must correspond. bezelBezelThe frame surrounding the crystal at the front of a watch.

  Tachymeter scale engraved on the rather than the dial.