Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

Reference 310.55.42.50.52.004

Omega Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.004 is a masterpiece of luxury watchmaking, marrying cutting-edge technology with exquisite craftsmanship. This modern iteration of the iconic 'Moonwatch' pays homage to its rich history while incorporating contemporary advancements. The Canopus Gold case features a sunburst finish and gem-set bezel, radiating elegance and opulence. The manual-winding chronograph movement boasts 50 hours of power reserve and resistance to magnetic fields up to 15,000 gauss. With its robust features, stunning design, and historical significance, this timepiece is a worthy investment for serious collectors and space enthusiasts. Its impeccable performance and timeless appeal make it a statement piece that will remain a favorite for years to come.
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Key Features

  • Manual-winding chronograph movement
  • Canopus Gold case with sunburst finish and gem-set bezel
  • Master Chronometer certification by METAS
  • Resistance to magnetic fields up to 15,000 gauss
  • 50 hours of power reserve
  • Co-Axial escapement and Silicon balance spring

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet
Reference
310.55.42.50.52.004
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 Reduced 3510.50

Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,550
For sale is an Omega Speedmaster Reduced 3510.50 in really great condition, with no major signs of wear, and running great.

  • Condition: really great condition
  • Payment Methods Accepted: pretty much every payment method including crypto
  • No Paypal: true
  • Trade Acceptable Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Feb 4, 2026, 3:43 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial

Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial

Omega - 324.23.38.50.02.001 · $4,450
For sale is a super clean Omega Speedmaster with a unique gold and green bezel, sitting on a green leather strap.

  • Condition: Excellent
  • Case Size: 38mm diameter
  • Bezel Color: gold and green
Posted at
Feb 4, 2026, 3:36 PM
Active
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[WTS] 2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900

2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900

Omega - 310.30.42.50.01.001 · $5,900
This is a 2021 Omega Speedmaster Moonwatch Chronograph with a stainless steel black dial and Hesalite crystal.

  • Condition: Excellent overall condition
  • Box: Original Double Omega boxed
  • Papers: Yes (Box and Papers)
  • Warranty: 5 year manufacturer warranty
Posted at
Feb 4, 2026, 3:08 PM
Active
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2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900

Omega - 310.30.42.50.01.001 · $5,900
2021 Omega Speedmaster Moonwatch in stainless steel with a black dial and 42mm case size.

  • Case size: 42mm
Posted at
Feb 4, 2026, 3:06 PM
Active
View listing on r/WatchExchange
[WTS] 2025 Mint Omega Speedmaster 321 Calibre "Ed White" 311.30.40.30.01.001 - Full Set Both Omega Straps w/ Extra Forstner Bracelet

2025 Mint Omega Speedmaster 321 Calibre "Ed White" 311.30.40.30.01.001 - Full Set Both Omega Straps w/ Extra Forstner Bracelet

Omega - 311.30.40.30.01.001 · $15,500
This Omega Speedmaster Calibre 321 'Ed White' is a highly sought-after collector's piece, featuring the iconic 321 movement in pristine condition. It comes with its original box, papers, and accessories, including an extra Forstner bracelet.

  • Condition: Very Excellent pre-owned condition
  • Movement: Omega Caliber 321 (manual-wind chronograph)
  • Case material: Stainless steel
  • Case size: 39.7mm
Posted at
Feb 4, 2026, 2:58 PM
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[WTS] 2024 Omega Speedmaster Professional Moonwatch Hesalite 310.30.42.50.01.001 – Full Set + Extras – $5,500 Shipped

2024 Omega Speedmaster Professional Moonwatch Hesalite 310.30.42.50.01.001 – Full Set + Extras – $5,500 Shipped

Omega - 310.30.42.50.01.001 · $5,500
A 2024 Omega Speedmaster Professional Moonwatch Hesalite, featuring the classic configuration with a modern movement and updated bracelet.

  • Condition: Great (signs of wear)
  • Movement: Manual-wind chronograph (Omega Caliber 3861, Master Chronometer)
  • Case size: 42mm
  • Crystal: Hesalite
Posted at
Feb 4, 2026, 12:29 PM
Active
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[WTS] Selling my Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30 with big box asking $3999 CONUS + shipping

Selling my Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30 with big box asking $3999 CONUS + shipping

Omega - Speedmaster Professional Moonwatch Hesalite 311.33.42.30 · $3,999
Recently purchased Omega Speedmaster Professional Moonwatch Hesalite, in good condition, with a beautifully repaired leather strap. The watch runs well and keeps time accurately.

  • Condition: good condition, minor damage on leather strap
  • Leather strap condition: minor damage with visible repair
  • Strap included: no
Posted at
Feb 4, 2026, 12:26 PM
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[WTS] Omega Speedmaster ref. 310.30.42.50.1.001. Super nice condition, watch only. Fully linked and running perfectly. $4900 shipped conus.

Omega Speedmaster ref. 310.30.42.50.1.001. Super nice condition, watch only. Fully linked and running perfectly. $4900 shipped conus.

Omega - 310.30.42.50.1.001 · $4,900
A well-maintained Omega Speedmaster in excellent working order, fully linked.

  • Condition: super nice condition, watch only
Posted at
Feb 3, 2026, 10:29 PM
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[WTS] Omega Speedmaster Professional MOONPHASE! - 3575.20 - $3,999 Shipped!

Omega Speedmaster Professional MOONPHASE! - 3575.20 - $3,999 Shipped!

Omega - 3575.20 · $3,999
A Omega Speedmaster Professional with a moonphase function is being sold.

  • Model type: Speedmaster Professional
  • Functionality: Moonphase
Posted at
Feb 3, 2026, 8:32 PM
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View listing on r/WatchExchange