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][US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,600
This Omega Speedmaster Moonwatch Professional is a Reverse Panda model with a 42mm case size.

  • Condition: Brand new, unworn
  • Case size: 42mm diameter
  • Water resistance: unknown
Posted at
May 25, 2026, 12:37 PM
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[WTS] Omega Speedmaster 323.10.40.40.04.001 Specialities 2012 Olympic Games Collection Blue Red Hands | Good Condition | Serviced| 2200$

Omega Speedmaster 323.10.40.40.04.001 Specialities 2012 Olympic Games Collection Blue Red Hands | Good Condition | Serviced| 2200$

Omega - 323.10.40.40.04.001 · $2,200
This Omega Speedmaster features a white dial with red and blue hands, part of the 2012 Olympic Games Collection.

  • Condition: Good Condition
  • Case size: 39mm
  • Crystal type: Sapphire
  • Lug width: 20mm
Posted at
May 25, 2026, 12:15 PM
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[WTS] Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6295 + shipping

Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6295 + shipping

Omega - 3861 · $6,295
The modern Speedmaster features the METAS-certified 3861 movement and comes in a full set including both the newer micro-adjust clasp and original clasp.

  • Condition: Excellent with light signs of wear
  • Case material: Sapphire
  • Movement certification: METAS-certified
Posted at
May 25, 2026, 11:21 AM
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[WTS] 2025 Omega Speedmaster Moonwatch Professional White 42mm 310.30.42.50.04.001 — Excellent Condition, Box & Papers

2025 Omega Speedmaster Moonwatch Professional White 42mm 310.30.42.50.04.001 — Excellent Condition, Box & Papers

Omega - 310.30.42.50.04.001 · $7,500
The Omega Speedmaster Moonwatch Professional White features a striking white lacquered dial, classic asymmetrical case, and manually wound chronograph movement. It measures 42mm in diameter and comes complete with its original box and papers.

  • Condition: Excellent condition with minor signs of wear on clasp and case
  • Case size: 42mm diameter
  • Lug to lug length: 47.5mm
  • Thickness: 13.2mm
Posted at
May 25, 2026, 9:30 AM
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[WTS] ALL THE GOLD! Rare Vintage 18K Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Collector Example!

ALL THE GOLD! Rare Vintage 18K Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Collector Example!

Omega - BA145.022-69 · $47,000
A rare vintage Omega Speedmaster Tribute to Astronauts in solid gold, one of only 1014 made starting in November 1969.

  • Condition: Unpolished, all original with incredible patina forming on the gold
  • Case size: 42MM diameter
  • Bracelet length: 7.5 inches
  • Movement: Lemania-based hand wound caliber 861
Posted at
May 24, 2026, 11:22 PM
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[WTS] Omega Speedmaster Professional Moonwatch Hesalite – Full Set -$3500

Omega Speedmaster Professional Moonwatch Hesalite – Full Set -$3500

Omega - 311.30.42.30.01.005 · $3,500
For sale is my Omega Speedmaster Professional Moonwatch, reference 311.30.42.30.01.005.

  • Condition: very good condition
  • Year purchased: 2018
Posted at
May 24, 2026, 7:32 PM
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[WTS] Omega Speedmaster. 39mm. Special Dial.

Omega Speedmaster. 39mm. Special Dial.

Omega - Speedmaster · $2,200
A 39mm Omega Speedmaster with a special dial is being sold. The watch has a gorgeous texture dial and comes from the owner's collection.

  • Diameter: 39mm
Posted at
May 24, 2026, 7:07 PM
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[WTS] Omega Speedmaster “Speedy Tuesday” Ultraman 311.12.42.30.01.001 Like New

Omega Speedmaster “Speedy Tuesday” Ultraman 311.12.42.30.01.001 Like New

Omega - 311.12.42.30.01.001 · $14,950
This Omega Speedmaster 'Speedy Tuesday' Ultraman is in like new condition, featuring a sapphire speedmaster bracelet and multiple straps.

  • Condition: Like New
  • Bracelet type: Sapphire speedmaster
  • Case condition: Case-back sticker
  • Straps included: Nato strap & leather strap
Posted at
May 24, 2026, 6:29 PM
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[WTS] Omega Speedmaster Date

Omega Speedmaster Date

Omega - Speedmaster Date
A beautiful, reliable Omega Speedmaster Date with a stunning grey sunburst dial. It has been well cared for and comes with documentation and authentication.

Posted at
May 24, 2026, 3:13 PM
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