Use the product images and details to compare the dial, case, strap and available finish. Contact our team if you have questions about a particular model or fit.
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A black stepped dial with a classic three-counter layout.
White hands, three subdials and a black tachymeter bezel give this chronograph profile its familiar clarity. The steel bracelet brings a refined finish to an otherwise purposeful instrument-inspired design.
The gallery contains reference photographs for visual context. They do not confirm the movement, materials, origin or authenticity of the item offered.
Design & Character
The selected sapphire Moonwatch reference combines a stepped dial with polished bracelet details. Its display back shows the manually wound chronograph movement without an automatic rotor obscuring the view.
Black stepped dial and three chronograph subdials
White hands and baton markers for strong visual contrast
Black aluminium tachymeter bezel insert
Steel bracelet and sapphire display back on the selected reference
Movement & Performance
The original sapphire reference uses the manually wound OMEGA 3861 Master Chronometer calibre, with a 50-hour reserve. It displays hours, minutes and small seconds and operates a chronograph without a date window.
Reference-model specifications
Reference-model data from the supplied technical sheet; confirm the specification of the actual item before purchase.
Specifications of the photographed reference model
Collection
Chronograph
Design theme
Classic Space Chronograph
Reference manufacturer
OMEGA
Reference model
Speedmaster Moonwatch Professional Sapphire
Reference
310.30.42.50.01.002
Version
Sapphire front and sapphire display back
Movement
Manual winding
Calibre
OMEGA 3861; Master Chronometer
Power reserve
50 hours
Case diameter
42 mm
Case thickness
13.18 mm
Case material
Stainless steel
Bezel
Black aluminium insert with tachymeter scale
Dial
Black stepped dial; three subdials; no date
Strap / bracelet
Steel bracelet with five elements per row and polished details
Clasp
Folding clasp; comfort adjustment on current versions
Lug width
20 mm
Lug-to-lug
47.5 mm
Caseback
Sapphire display back; manually wound movement without rotor
Water resistance
50 m
Functions
Hours, minutes, small seconds and chronograph
Style & Fit
A traditional chronograph profile for those who value a clear dial and a visible mechanism. The original model requires a manual-winding routine.