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

Reference 310.55.42.50.52.004

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 · $2,350
This Omega Speedmaster Reduced is being sold in good condition and has an aftermarket strap. The watch comes with shipping from NJ USA.

  • Condition: Clean, runs well
  • Strap: Aftermarket strap
Posted at
Apr 15, 2026, 6:59 PM
Active
[WTS] Omega Speedmaster Moonwatch Titanium Co-Axial 311.93.44.51.03.001 - 9.9/10 - $6,250

Omega Speedmaster Moonwatch Titanium Co-Axial 311.93.44.51.03.001 - 9.9/10 - $6,250

A sharp example of the Omega Speedmaster Moonwatch Co-Axial Titanium, featuring a 44.25mm titanium case and blue ceramic tachymetric bezel.

  • Condition: 9.9/10
  • Case size: 44.25mm diameter
  • Power reserve: 60 hours
Posted at
Apr 15, 2026, 1:22 PM
Active
[WTS] Omega Speedmaster Day Date 3523.80

Omega Speedmaster Day Date 3523.80

Omega - 3523.80 · $2,450
For sale is an Omega Speedmaster Day Date with a beautiful blue dial, in excellent condition and running super solid.

  • Condition: excellent
  • Payment methods accepted: crypto, other (with small fee)
  • Location: southwest FL
  • Open to trades for: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 15, 2026, 10:55 AM
Active
[WTS] Omega Speedmaster Broad Arrow 3594.50

Omega Speedmaster Broad Arrow 3594.50

Omega - 3594.50 · $3,350
A pre-owned Omega Speedmaster Broad Arrow in excellent condition with very little wear.

  • Condition: Excellent condition with very little wear
  • Payment Methods Accepted: Multiple payment methods including crypto
  • Available To Trade For: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 15, 2026, 10:40 AM
Active
[WTS] Omega Speedmaster Reduced 3510.50 2 AVAILABLE

Omega Speedmaster Reduced 3510.50 2 AVAILABLE

Omega - 3510.50 · $2,550
Two Omega Speedmaster Reduced in great condition for sale, both running solid and coming as watch only.

  • Condition: Great condition, some light wear
  • Bracelet condition: Pretty good
  • Crystals condition: 0 or very minimal scratches
Posted at
Apr 15, 2026, 10:14 AM
Active
[WTS] Omega Speedmaster 3210.50 Black Dial $2,090

Omega Speedmaster 3210.50 Black Dial $2,090

Omega - 3210.50 · $2,090
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look and an automatic movement.

  • Condition: pre-owned, good condition with scuffs due to age
  • Case size: 40mm diameter
  • Lug-to-lug length: 45mm
  • Lug width: 19mm
Posted at
Apr 15, 2026, 9:42 AM
Active

2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
Omega Speedmaster Chronograph  - Blue - Stainless Steel - 38mm - Mint

Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

  • Condition: Pre-Owned - Mint
  • Case size: 38mm diameter
  • Bracelet type: Stainless Steel
  • Dial color: Blue
Posted at
Apr 5, 2025, 6:13 PM
Active
Omega Speedmaster 321 Ed White

Omega Speedmaster 321 Ed White

This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.

  • Condition: Good condition with minor scuffs
  • Warranty: includes warranty cards
  • Links: all links included
Posted at
Apr 4, 2025, 6:34 PM
Active