Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Sapphire / Silver - Sapphire / Bracelet

Reference 310.55.42.50.52.003

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Canopus Gold is a masterpiece of luxury watchmaking, blending historical significance with cutting-edge technology. This stunning timepiece features a 42mm white gold case, set with gemstones and adorned with a sunburst finish on the dial. The manual-winding chronograph movement is crafted in-house by Omega's skilled artisans, boasting a co-axial escapement and silicon balance spring for exceptional accuracy and resistance to magnetic fields. With its Master Chronometer certification from METAS, this watch meets the highest standards of precision and reliability. The Speedmaster Professional Moonwatch 3861 Canopus Gold is more than just a timepiece - it's a work of art that exudes sophistication and refinement.
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Key Features

  • 42mm white gold case with gem-set bezel
  • Manual-winding chronograph movement with co-axial escapement
  • Silicon balance spring for resistance to magnetic fields
  • Master Chronometer certification from METAS
  • Sapphire crystal with 50m water resistance
  • Stunning sunburst finish on the dial
  • Gem-set indexes and stick hands

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Sapphire / Silver - Sapphire / Bracelet
Reference
310.55.42.50.52.003
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
White Gold 42mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2025 White Omega Speedmaster Moonwatch Professional

2025 White Omega Speedmaster Moonwatch Professional

The watch is described as being in like new condition with very minor micro scratches on the clasp, and comes with a full kit including inner box, outer box, manuals, warranty papers, card holder, and full links.

  • Condition: Like new with minor micro scratches on the clasp
  • Location Purchased: Japan
  • Located In: Dallas, TX
Posted at
Jan 4, 2026, 9:16 PM
Active
[WTS] 2025 Omega Speedmaster Hesalite 3861 310.30.42.50.01.001

2025 Omega Speedmaster Hesalite 3861 310.30.42.50.01.001

2025 Omega Speedmaster Hesalite with a manual-wind Calibre 3861 movement, size: 42mm diameter, hesalite crystal and stainless steel case.

  • Condition: Excellent condition overall
  • Size: 42mm diameter
  • Case material: stainless steel
  • Dial color: black
Posted at
Jan 4, 2026, 8:55 PM
Active
[WTS] Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

The Omega Speedmaster Racing features a striking silver white dial, bold chronograph hands, and a solid stainless steel case with a modern presence. It comes complete with various accessories and offers precise performance.

  • Condition: Excellent
  • Dial color: silver white
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
Jan 4, 2026, 6:48 PM
Active
[WTS] Omega Speedmaster Professional 3861 Sapphire Sandwich

Omega Speedmaster Professional 3861 Sapphire Sandwich

Up for sale is my Omega Speedmaster Professional 3861 “Sapphire Sandwich” Reference 310.30.42.50.01.002, a unique Speedy with the newer bracelet and improved micro-adjust clasp.

  • Condition: Great, with light signs of wear
  • Bracelet size: 7 inch wrist, with extra links
  • Strap options: aftermarket leather and nato straps
  • Crystal type: sapphire crystal
Posted at
Jan 4, 2026, 5:18 PM
Active
[WTS] Omega. Speedmaster Moonwatch. Anniversary Series Apollo XV. $5350 Only - Steal!

Omega. Speedmaster Moonwatch. Anniversary Series Apollo XV. $5350 Only - Steal!

This Omega Speedmaster Moonwatch Anniversary Series Apollo XV is a unique stand-out from the rest, featuring concentric rings of red, white, and blue on its seconds track.

  • Condition: Good condition (7.5/10)
  • Case Size: 42mm
  • Dial Color: Black with Blue and Red Accents
Posted at
Jan 4, 2026, 2:30 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, in excellent condition.

  • Condition: Mint, like-new
  • Material: Full-ceramic case and buckle
Posted at
Jan 4, 2026, 12:48 PM
Active
[WTS] 20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

Omega - 1499/842 · $550
A high-quality Omega factory bracelet option with excellent build and taper, known among Speedmaster collectors.

  • Length: 20mm
  • Production period: 1996-1998
Posted at
Jan 4, 2026, 11:18 AM
Active
[WTS] Omega. Speedmaster Moonwatch. Anniversary Series Apollo XV. $5350 Only - Steal!

Omega. Speedmaster Moonwatch. Anniversary Series Apollo XV. $5350 Only - Steal!

A pre-owned Omega Speedmaster Moonwatch from the Anniversary Series Apollo XV, featuring a 42mm black dial with blue and red accents.

  • Condition: Good condition (7.5/10)
  • Bracelet size: fits up to 7.5 inch hand
  • Price compared to comps: thousands below comparable prices
Posted at
Jan 3, 2026, 9:55 PM
Active