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 Mario. Year-1999. Excellent condition. Box and Papers included

omega speedmaster Mario. Year-1999. Excellent condition. Box and Papers included

This Omega Speedmaster is a rare Japanese model, known as the Marui, from 1999. It's in great condition with its original box and papers.

  • Condition: Excellent condition
  • Year: 1999
  • Location: Japan
Posted at
Dec 23, 2025, 9:37 PM
Active
[WTS] Omega Speedmaster Professional White Dial (Full Set 9/2025)

Omega Speedmaster Professional White Dial (Full Set 9/2025)

Up for sale is a beautiful Omega Speedy Pro White Dial, it comes with box & papers dated 09/2025 and has been worn only a few times.

  • Condition: Great condition with minimal wear
  • Movement type: Manual Wind
  • Size: 42mm diameter
  • Accessories included: Box & papers
Posted at
Dec 23, 2025, 8:49 PM
Active
[WTS] Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp $550 Shipped

Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp $550 Shipped

Omega - 032Z017245 · $550
This is a listing for an Omega Speedmaster Moonwatch Professional with a black rubber strap and deployant clasp. The watch features a 20mm lug size.

  • Material: Black Rubber
  • Ends: curved
  • Lug width: 20mm/16mm
Posted at
Dec 23, 2025, 8:36 PM
Active
[WTS] Omega Speedmaster Milano-Cortina 2026 LE (BNIB)

Omega Speedmaster Milano-Cortina 2026 LE (BNIB)

A special Speedmaster created to celebrate the Milano-Cortina 2026 Winter Games with a distinctive design. This limited edition blends classic Speedy DNA with unique dial and color accents.

  • Condition: New, unworn (BNIB)
  • Size: 38mm diameter
  • Movement: Automatic Cal 3330
  • Accessories: Box & papers
Posted at
Dec 23, 2025, 7:59 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002

Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002

This is a mint Omega Speedmaster Moonwatch Professional Sapphire Sandwich with additional accessories including box, warranty cards, outer box, and links.

  • Condition: mint
  • Box: yes
  • Warranty card: 3 cards
  • Outer box: yes
Posted at
Dec 23, 2025, 5:40 PM
Active
[WTS] Omega Speedmaster. Moonwatch. Sapphire Sandwich. **Mitsukoshi Dial - 300 Limited Edition**

Omega Speedmaster. Moonwatch. Sapphire Sandwich. **Mitsukoshi Dial - 300 Limited Edition**

This is a limited edition Omega Speedmaster Moonwatch featuring a Mitsukoshi dial, one of only 300 produced. It includes a full kit and comes with both the modified and original dials.

  • Dial material: Mitsukoshi Dial (limited edition)
  • Additional dials included: OEM Black Speedy Dial
  • Case size: 40mm diameter
Posted at
Dec 23, 2025, 2:08 PM
Active
[WTS] Omega Speedmaster Professional Rubber Strap + Clasp

Omega Speedmaster Professional Rubber Strap + Clasp

Omega · $499
Additional Details: Like new, pristine. For the Moonwatch works on older Moonwatch models as well.

  • Condition: like new
  • Lug Width: 20mm
  • Clasp Width: 16mm
Posted at
Dec 23, 2025, 12:15 PM
Active
[WTS] Omega Speedmaster Saphire full set 2021

Omega Speedmaster Saphire full set 2021

The Omega Speedmaster Professional 'Saphire Sandwich' Edition features the 3861 Movement, and comes with its original box, papers, and warranty card.

  • Condition: Excellent
  • Movement: 3861
Posted at
Dec 23, 2025, 11:06 AM
Active
[WTS] Omega Speedmaster 3520.53 Box & Card - $2,900

Omega Speedmaster 3520.53 Box & Card - $2,900

Omega - 3520.53 · $2,900
A 39mm Omega Speedmaster 3520.53 in great condition, featuring an automatic movement and a steel case on an original Omega Steel bracelet.

  • Condition: 8.8/10 great condition with some usage marks and micro scratches on the blue AR coating
  • Case size: 39mm diameter
  • Movement type: automatic
  • Bracelet length: fits up to 7 inch wrists
Posted at
Dec 22, 2025, 9:30 PM
Active