Speedmaster Pre-Professional CK2998 — CK2998-1 · CK2998-1, Pulsometer Bezel

Identifying details

• Lollipop chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. hand

  ChronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. seconds hand with a round disc near the tip.

• PulsometerPulsometerA chronograph scale estimating heartbeats per minute from the time taken to count the number of beats specified on the dial. bezelThe frame surrounding the crystal at the front of a watch.