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] Omega Speedmaster 3520.53 Box & Card - $2,900

Omega Speedmaster 3520.53 Box & Card - $2,900

Omega - 3520.53 · $2,900
This Omega Speedmaster 3520.53 is a full kit with an automatic movement and measures 39mm in diameter, featuring a steel case on an original Omega Steel bracelet.

  • Condition: Great condition
  • Case size: 39mm
  • Movement type: Automatic
Posted at
Dec 15, 2025, 9:53 PM
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[WTS] Omega Speedmaster Pro White

Omega Speedmaster Pro White

Omega - 310.32.42.50.04.001 · $7,400
Up for sale is a beautiful Omega Speedy Pro White Dial, it comes with box & papers dated 09/2025 and has been worn just a few times since purchase.

  • Condition: Great, minimal wear
  • Movement: 3861 Manual Wind
  • Size: 42mm diameter
  • Strap: Original rubber strap
Posted at
Dec 15, 2025, 8:52 PM
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[WTS] Omega Speedmaster Professional Moonwatch Straps

Omega Speedmaster Professional Moonwatch Straps

Omega - Speedmaster Professional Moonwatch
This Omega Speedmaster Professional Moonwatch comes in mint condition, with two additional straps available. The sailcloth strap has a tiny hairline on the clasp otherwise appears unused.

  • Condition: Mint Condition
  • Strap prices: Sailcloth: $475 (with clasp), $350 (just strap), Rubber: $550 (with clasp), $400 (just strap)
  • Price for both straps: $975 (with clasps)
Posted at
Dec 15, 2025, 2:51 PM
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[WTS][US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,200
This Omega Speedmaster Broad Arrow features a white dial and 42mm case, with mechanical functionality.

  • Condition: Excellent (minor hairlines)
  • Case size: 42mm
Posted at
Dec 15, 2025, 8:27 AM
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[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA - 311.30.40.30.01.001 · $18,000
The OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk. This stainless steel timepiece features the iconic straight lugs and removal of crown guards that defined the early pre-Moon Speedmasters.

  • Condition: UNWORN
  • Size: 39.7mm
  • Movement: Calibre 321 column-wheel chronograph movement
  • Bezel material: black ceramic
Posted at
Dec 15, 2025, 12:00 AM
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[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm black ceramic watch that commemorates the 50th anniversary of the Apollo 8 mission, featuring a skeletonized dial and laser-ablated details to represent the lunar surface.

  • Condition: [UNWORN]
  • Case material: black ceramic
  • Diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Dec 14, 2025, 11:54 PM
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[WTS] Omega Speedmaster Moonphase Ref. 304.33.44.52.01.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

Omega Speedmaster Moonphase Ref. 304.33.44.52.01.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

Omega - 304.33.44.52.01.001 · $7,495
This is a stunning example of the iconic black-dial Moonphase Speedmaster with legendary METAS-certified Calibre 9904, photo-realistic moonphase discs, blue liquidmetal tachymeter bezel, and transparent caseback.

  • Condition: Pre-Owned very good condition
  • Case Diameter: 44.25mm
  • Movement: Automatic, Calibre 9904
  • Water Resistance: 10 ATM
Posted at
Dec 14, 2025, 10:29 PM
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[WTS] Omega Speedmaster Spiralwinder Ceramic Bezel for 3861

Omega Speedmaster Spiralwinder Ceramic Bezel for 3861

Omega - 3861 · $150
This is a Speedmaster Spiralwinder ceramic bezel insert designed for the 3861 Speedmaster Professional cases. It features a deep black ceramic with crisp white numerals and a DON90 tachymeter layout.

  • Compatible Reference: 3861
  • Bezel Material: ceramic
  • Tachymeter Layout: DON90 (Dot Over 90)
Posted at
Dec 14, 2025, 10:14 PM
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[WTS] Omega Omega Speedmaster 38 Co-axial Chronograph Ref. 324.32.38.50.02.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

Omega Omega Speedmaster 38 Co-axial Chronograph Ref. 324.32.38.50.02.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

Omega - 324.32.38.50.02.001 · $3,750
This Omega Speedmaster 38 Coaxial Chronograph features an elegant silver dial, chronograph functionality, and automatic movement in a stainless steel case with 10 ATM water resistance and 38mm diameter.

  • Condition: Pre-Owned very good condition
  • Case material: stainless steel
  • Diameter: 38mm
  • Movement: automatic Calibre 3330
Posted at
Dec 14, 2025, 10:07 PM
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