22nd Jan, 2026 9:30
Omega – Speedmaster Professional Moonwatch
Reference: 31130423001005 (Case Back marked internally ‘STZ005923’)
Serial: 78776283
Year: Purchased December 2017
Bezel: Tachymetre
Case Material: Stainless Steel
Case Diameter: 40mm
Dial: Black, White Pointed Baton Hands
Numerals: White Baton, Minute Track
Crown: Signed, Fluted, Two Chronograph Pushers
Movement: Omega Calibre 1861 18-Jewel Manual Wind Movement, numbered ‘78776283’
Complication: 30-Minute Subsidiary Dial at three o’clock, 12-Hour Subsidiary Dial at six o’clock, Seconds Subsidiary Dial at nine o’clock
Strap: Signed Black Nato Strap, marked ‘ZSZ002084’, Additional Omega Speedmaster Professional Stainless Steel Strap, Omega Black & Grey Striped Nato Strap and Omega Black Velcro Strap.
Inner Circumference: Approximately 16.5cm at smallest, 26.0cm at widest
Buckle: Signed Stainless Steel Buckle
Box: Yes. Inner & Outer Presentation Box.
Papers: International Warranty Card, Pictograms Card & Operating Instructions Booklet Only.
Gross Weight: Approximately 81.0 grams
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Sold for £2,400
Condition Report
The watch is currently running, no long-term tests have been performed and accuracy cannot be guaranteed.
A full service is advised on all watches and pocket watches once purchased.
Surface scratches, scuffs and slight dents throughout.
Debris to case back and between lugs.
Scratches and scuffs to crystal.
Marks to strap.
Crown in good working order.
Chronograph pushers in good working order.
Accompanied by Omega Tachymetre Loupe.
Accompanied by additional Omega Speedmaster Professional Stainless Steel Strap, Omega Black & Grey Striped Nato Strap and Omega Black Velcro Strap. Additionally accompanied by four spring bars and Omega spring bar tool.
Note that the online condition report may not mention mechanical replacements or imperfections to the movement, case, dial, pendulum, separate base(s) or dome.
Watches with water-resistant cases may have been opened to examine movements, but no warranties are given regarding their water resistance.
Note that this piece is available to view, and we recommend that you do as that we cannot guarantee the authenticity or originality of individual components, such as wheels, hands, crowns, crystals, screws, bracelets, and wrist bands, since subsequent repairs and restoration may have changed the original components. Also, we cannot guarantee the authenticity or originality of any engraving or re-engraving on watch cases, case backs, bracelets, straps, or internal movements.
Omega – Speedmaster Professional Moonwatch
Reference: 31130423001005 (Case Back marked internally ‘STZ005923’)
Serial: 78776283
Year: Purchased December 2017
Bezel: Tachymetre
Case Material: Stainless Steel
Case Diameter: 40mm
Dial: Black, White Pointed Baton Hands
Numerals: White Baton, Minute Track
Crown: Signed, Fluted, Two Chronograph Pushers
Movement: Omega Calibre 1861 18-Jewel Manual Wind Movement, numbered ‘78776283’
Complication: 30-Minute Subsidiary Dial at three o’clock, 12-Hour Subsidiary Dial at six o’clock, Seconds Subsidiary Dial at nine o’clock
Strap: Signed Black Nato Strap, marked ‘ZSZ002084’, Additional Omega Speedmaster Professional Stainless Steel Strap, Omega Black & Grey Striped Nato Strap and Omega Black Velcro Strap.
Inner Circumference: Approximately 16.5cm at smallest, 26.0cm at widest
Buckle: Signed Stainless Steel Buckle
Box: Yes. Inner & Outer Presentation Box.
Papers: International Warranty Card, Pictograms Card & Operating Instructions Booklet Only.
Gross Weight: Approximately 81.0 grams
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