heechang watch
omega
Jun 25, 2026
Speedmaster Professional (Moonwatch)

Speedmaster Professional (Moonwatch)

Selected by NASA in 1965 after rigorous testing; worn on the moon by Buzz Aldrin in 1969. The most historically significant watch ever made; the 3861 movement adds Co-Axial precision to the legend.

Specifications

Collection
Speedmaster
Case size
42 mm
Thickness
13.5 mm
Lug width
20 mm
Case
Steel
Movement
Cal. 3861, Co-Axial Master Chronometer manual, 21,600 vph, 50h power reserve
Water resist.
30 m
Complications
chronograph
Dial
Black step dial, applied tachymeter bezel with black ceramic insert, three silver subdials, hesalite or sapphire crystal options
Country
Switzerland
My tier
1
Tags
IconicSports
Website
official page
Added
Jun 25, 2026