Omega Speedmaster Moonwatch Professional 42mm Master Chronometer Automatic Men's Watch
How might this watch look on my wrist? A 3D representation of Omega Speedmaster Moonwatch Professional 42mm Master Chronometer Automatic Men's Watch. Check retailer page for actual dimensions and specifications.
Scroll or drag to turn the wrist. Shown to scale on a typical men’s wrist (17.5 cm), lug to lug 47.1 mm (measured from the photo).
This iconic chronograph features a 42mm case constructed from stainless steel with 18K Sedna Gold accents, offering 50 metres of water resistance. The dial is finished in Sedna Gold with applied indices and matching hands, complemented by a black ceramic bezel bearing a tachymetre scale. Three black sub-dials track chronograph functions across the face, whilst a scratch-resistant sapphire crystal protects the dial.
The watch is powered by Omega's calibre 3861, a co-axial master chronometer certified automatic movement. It arrives mounted on a leather alligator strap with a folding clasp. This Speedmaster variant maintains the professional specifications established through its use in aerospace programmes, delivering proven precision and reliability in a 42mm format.
The Omega Speedmaster Moonwatch Professional 42mm Master Chronometer Automatic Men's Watch is listed on WatchShopper as a men's 42 mm stainless steel and 18k sedna gold automatic chronograph with an 18k sedna gold dial, a tachymeter scale, sapphire crystal, and 50 m water resistance. It runs on the 3861 calibre and comes on a leather alligator strap. On 21 October 2026 the lowest UK price was £11,000.00 at Beaverbrooks, in stock, with free delivery and 30-day returns. With the voucher code GET50, Beaverbrooks brings it to £10,950.00.
At £11,000 this watch is among the dearest for a men's automatic watch with a 40–44 mm case: 90% of the 1,381 we track from every brand cost less. 83% of the 156 Omega watches we track cost less than this one. This is the 20th cheapest of the 32 versions of the Speedmaster we list.