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 Professional 3861 Sapphire Sandwich (12/2024) – Full Kit – Unworn Bracelet

Omega Speedmaster Professional 3861 Sapphire Sandwich (12/2024) – Full Kit – Unworn Bracelet

Up for sale is my Omega Speedmaster Professional ref. 310.30.42.50.01.002 (sapphire sandwich) with a December 2024 warranty card. This latest-generation Moonwatch features the Co-Axial Master Chronometer caliber 3861 and sapphire display caseback.

  • Condition: Excellent – minimal wear
  • Case size: 42mm
  • Crystal material: Sapphire (front + exhibition caseback)
  • Movement type: Co-Axial Master Chronometer caliber 3861
Posted at
Apr 13, 2026, 8:05 PM
Active
[WTS] 2023 Omega Speedmaster Professional Moon Watch HESALITE 3861 $6200 USD

2023 Omega Speedmaster Professional Moon Watch HESALITE 3861 $6200 USD

Omega - 3861 · $6,200
This is a 2023 Omega Speedmaster Professional Moon Watch HESALITE, in excellent condition. It comes with a micro adjust clasp and has been well taken care of.

  • Condition: Excellent
Posted at
Apr 13, 2026, 3:36 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎

Omega - 145.022-69 · $14,995
A 1969 Omega Speedmaster Moonwatch with a tropical brown dial and heavy yellow patina, featuring a period-correct super tropical dial and tritium hands that glow green under UV light.

  • Condition: Beautiful condition with heavy patina
  • Size: 42mm diameter
  • Year: 1969
  • Movement serviced: true
Posted at
Apr 13, 2026, 2:36 PM
Active
[WTS] 2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn

2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn

Omega - 310.30.42.50.01.004 · $10,200
This is a brand new Omega Speedmaster Reverse Panda from 2026, featuring a stainless steel case and bracelet.

  • Condition: Like New
  • Material: Stainless Steel
  • Bracelet material: Stainless Steel
  • Case size: 42mm
Posted at
Apr 13, 2026, 1:53 PM
Active
[WTS] (Omega) Speedmaster 3594.50 40th Anniversary $3,800

(Omega) Speedmaster 3594.50 40th Anniversary $3,800

Omega - 3594.50 · $3,800
A commemorative Omega Speedmaster model introduced in 1997, featuring a modern case and bracelet, designed to resemble the original Speedy.

  • Condition: Very good
  • Anniversary edition: True
  • Case size: 40mm diameter
  • Movement type: Modern movement
Posted at
Apr 13, 2026, 1:22 PM
Active
[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

This is a brand new Omega Speedmaster Moonwatch Professional with a stainless steel case and Master Chronometer movement.

  • Condition: Brand new
  • Case material: Stainless Steel
  • Movement type: Omega Master Chronometer Movement
Posted at
Apr 13, 2026, 1:14 PM
Active
[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

This Omega Speedmaster Moonwatch Professional Hesalite features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 3861 Omega Master Chronometer Movement
Posted at
Apr 13, 2026, 1:08 PM
Active
[WTS] Omega Speedmaster Leather Racing Strap OEM Z019270

Omega Speedmaster Leather Racing Strap OEM Z019270

Omega - Z019270 · $300
This is an original leather racing strap from Omega that came with a Speedmaster Professional white dial sapphire sandwich reference 310.32.42.50.04.002 watch.

  • Material: Leather (Perforated)
  • Color: Black (with white stitching on the outer side and red stitching on the interior)
  • Lug width: 20mm
Posted at
Apr 13, 2026, 1:01 PM
Active
[WTS] Hruodland Quartz Chronograph- Vintage Omega Speedmaster TV Dial Homage

Hruodland Quartz Chronograph- Vintage Omega Speedmaster TV Dial Homage

A vintage-inspired quartz chronograph with a cushion case and day-date complication. The watch features a bold design and is in great shape.

  • Condition: Excellent, lightly used
  • Movement type: Quartz chronograph
  • Day-date complication: true
  • Bezel function: Tachymeter
Posted at
Apr 13, 2026, 12:18 PM
Active