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] Omega Speedmaster FOIS, Numbered Edition, Very Clean (2017), $4200 shipped

Omega Speedmaster FOIS, Numbered Edition, Very Clean (2017), $4200 shipped

This Omega Speedmaster FOIS is a numbered edition from 2017 with a very clean and smooth action.

  • Condition: Very good
  • Caliber: Omega 1861
  • Power reserve: 48 hours
  • Case dimensions: [object Object]
Posted at
Dec 14, 2025, 3:05 PM
Active
[WTS] Omega Dark Side of the Moon Speedmaster 311.92.44.30.01.001

Omega Dark Side of the Moon Speedmaster 311.92.44.30.01.001

The Omega Speedmaster Dark Side of the Moon features a black zirconium oxide ceramic case, bezel, and crystal, with a black dial and applied indices.

  • Condition: Great overall with light signs of use on the strap
  • Case size: 44.25mm diameter
  • Movement: Omega Co-Axial Calibre 9300 automatic chronograph
Posted at
Dec 14, 2025, 2:45 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch model 145.022 78 ST fully serviced.

Omega Speedmaster Professional Moonwatch model 145.022 78 ST fully serviced.

This is a description of the Omega Speedmaster Professional Moonwatch model 145.022 78 ST that has been fully serviced.

Posted at
Dec 14, 2025, 11:36 AM
Active
[WTS] 2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer 329.30.43.51.02.001

2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer 329.30.43.51.02.001

A 2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer in good working order and excellent cosmetic condition. It comes with box and papers dated 2022.

  • Condition: Great condition overall
  • Case size: 43mm diameter
  • Movement: Co-Axial Master Chronometer
  • Box and papers included: yes
Posted at
Dec 14, 2025, 9:35 AM
Active
[WTS] Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

This Omega Speedmaster Professional 42mm is a 'Sapphire Sandwich' model with a complete set, including a serial tag and master chronometer certification.

  • Condition: Like New
  • Case Size: 42mm
Posted at
Dec 13, 2025, 8:11 PM
Active
[WTS] Omega Speedmaster Broad Arrow 42mm Olympics (Milano Cortina Killer for Half the Price 🔥) - Blue Spiralwinder Ceramic Bezel - F.Piguet Based Column Wheel Coaxial Chrono - Forstner Bullet - Blued Hands - Moonwatch Proportions - Only $3,050 Shipped CONUS

Omega Speedmaster Broad Arrow 42mm Olympics (Milano Cortina Killer for Half the Price 🔥) - Blue Spiralwinder Ceramic Bezel - F.Piguet Based Column Wheel Coaxial Chrono - Forstner Bullet - Blued Hands - Moonwatch Proportions - Only $3,050 Shipped CONUS

This Omega Speedmaster Broad Arrow features a white gloss dial with heat-blued hands and an Olympic Games caseback. It has 100m water resistance and is powered by the Co-Axial Caliber 3313 column-wheel automatic chronograph.

  • Movement: Omega Co-Axial Caliber 3313, column-wheel automatic chronograph based on the F. Piguet 1285 architecture
  • Bracelet: Forstner Bullet bracelet, 200m water resistance (100m WR)
  • Depth Rating: 100m WR
Posted at
Dec 13, 2025, 7:34 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 is a 2019 Omega Speedmaster Dark Side of the Moon with a full-ceramic case and buckle, available in mint condition.

  • Condition: Mint, like-new condition
  • Case material: full ceramic
  • Year: 2019
Posted at
Dec 13, 2025, 6:06 PM
Active
[WTS] Omega Speedmaster Silver Snoopy OEM bracelet and strap 310.32.42.50.02.001 PRICE REDUCED

Omega Speedmaster Silver Snoopy OEM bracelet and strap 310.32.42.50.02.001 PRICE REDUCED

Omega - 310.32.42.50.02.001 · $14,500
A mint condition Omega Speedmaster, purchased at an authorized dealer on December 24th, featuring a new case and excellent bracelet with minor hairlines.

  • Condition: Mint
  • Bracelet condition: Excellent
  • Bracelet description: OEM bracelet with a few hairlines present
Posted at
Dec 13, 2025, 12:55 PM
Active