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.
Buy Now on Jomashop
This is an affiliate link

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 Professional Moonwatch 42mm “Hesalite” 310.30.42.50.01.001 | 2024 Complete Set w/ Extra Exhibition Caseback

Omega Speedmaster Professional Moonwatch 42mm “Hesalite” 310.30.42.50.01.001 | 2024 Complete Set w/ Extra Exhibition Caseback

A 2024 Omega Speedmaster Professional Moonwatch in 42mm 'Hesalite' case, featuring Master Chronometer certification, double-boxed packaging, and an extra exhibition caseback. The watch includes various accessories such as a cleaning cloth, manual, and pictogram.

  • Condition: Pre-Owned, Great condition with slight wear on polished parts of Case and a small mark On Hesalite
  • Case size: 42mm
  • Crystal material: Hesalite
Posted at
Mar 23, 2026, 11:23 PM
Active
[WTS] Omega Speedmaster 3520.53  - $2,690

Omega Speedmaster 3520.53 - $2,690

Omega - 3520.53 · $2,690
Up for sale is my Omega Speedmaster 3520.53 in great condition, measuring 39mm with an automatic movement and a steel case on an original Omega Steel speedmaster bracelet.

  • Condition: 8.8/10 great condition with usage marks and patina
  • Case size: 39mm diameter
  • Bracelet material: steel
  • Crystal type: sapphire crystal
Posted at
Mar 23, 2026, 10:23 PM
Active
[WTS] Omega Speedmaster Professional White 310.30.42.50.04.001

Omega Speedmaster Professional White 310.30.42.50.04.001

This Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial, black markers, and red 'Speedmaster' text. It uses the updated 3861 movement with a sapphire crystal for a modern look.

  • Condition: Excellent condition
  • Case Size: 42mm diameter
  • Case Thickness: 13.2mm
  • Lug Width: 20mm
Posted at
Mar 23, 2026, 10:22 PM
Active
[WTS]🌘2025 Omega Speedmaster Sapphire 🌒

🌘2025 Omega Speedmaster Sapphire 🌒

2025 Omega Speedmaster Sapphire Moonwatch, over $2k under MSRP, full AD set with warranty card and other documents.

  • Condition: Excellent Pre Owned
  • Box Set: Full Triple Box Set
  • Warranty Card: 2025 Dated and Omega AD Stamped
  • Bracelet Length: Fully Linked Bracelet with Micro Adjust Clasp
Posted at
Mar 23, 2026, 9:28 PM
Active
[WTS] Omega Speedmaster Moonwatch 310.30.42.50.01.001 42mm Steel Black Box 2024

Omega Speedmaster Moonwatch 310.30.42.50.01.001 42mm Steel Black Box 2024

This Omega Speedmaster Moonwatch features a stainless steel case, black dial, anodized aluminium bezel ring, manual-winding Calibre 3861 movement, and 50-hour power reserve. It also comes with a fully linked brushed steel bracelet and is water-resistant up to 50m.

  • Condition: Excellent condition with light wear on the case, bezel, hesalite crystal, and bracelet
  • Case size: 42mm
  • Water resistance: 50m
  • Power reserve: 50-hour
Posted at
Mar 23, 2026, 8:37 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50 - 1997 Full Kit (Box & Papers)

Omega Speedmaster Reduced 3510.50 - 1997 Full Kit (Box & Papers)

Omega - 3510.50 · $2,999
Up for sale is my Omega Speedmaster Reduced (Ref. 3510.50). This particular example dates to 1997 and recently serviced.

  • Condition: Excellent, recently serviced
  • Year of manufacture: 1997
  • Service history: Recently serviced (1k service) in 2024
Posted at
Mar 23, 2026, 8:18 PM
Active
[wts] Unworn 2026 Omega Speedmaster “Reverse Panda”
310.30.42.50.01.004

Hard to find new release of the sapphire sandwich! 

$10,399 + FREE SHIPPING

Unworn 2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 Hard to find new release of the sapphire sandwich! $10,399 + FREE SHIPPING

Omega - 310.30.42.50.01.004 · $10,399
The seller is listing an unworn 2026 Omega Speedmaster 'Reverse Panda' with a sapphire sandwich dial and features like a 3861 movement, 50-hour power reserve, and 50m water resistance.

  • Condition: New/Unworn
  • Case Size: 42mm
  • Movement Power Reserve: 50 Hours
  • Water Resistance Depth Rating: 50 Meters
Posted at
Mar 23, 2026, 3:27 PM
Active
[WTS] Omega Speedmaster Professional Hesalite 310.30.42.50.01.001 Full set with Extra strap 2021

Omega Speedmaster Professional Hesalite 310.30.42.50.01.001 Full set with Extra strap 2021

The Omega Speedmaster Professional Hesalite features a Hesalite crystal and is in very good condition despite having some marks on the case.

  • Condition: Very good condition with some marks on case
  • Case Material: Hesalite Crystal
  • Case Condition: some marks
  • Crystal: Hesalite Crystal
Posted at
Mar 23, 2026, 2:11 PM
Active
[WTS] Omega Speedmaster Japan Edition 3211.50.00

Omega Speedmaster Japan Edition 3211.50.00

Omega - 3211.50.00 · $2,599
This Omega Speedmaster Japan Edition is in great shape with limited signs of wear, all functions are working properly.

  • Condition: great pre-owned condition with limited signs of wear throughout
  • Warranty expiration date: 11/7/2020
  • Bracelet size limit: up to 7.5 inch wrist
Posted at
Mar 23, 2026, 1:13 PM
Active