Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Sapphire / Silver - Sapphire / Bracelet

Reference 310.55.42.50.52.003

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Canopus Gold is a masterpiece of luxury watchmaking, blending historical significance with cutting-edge technology. This stunning timepiece features a 42mm white gold case, set with gemstones and adorned with a sunburst finish on the dial. The manual-winding chronograph movement is crafted in-house by Omega's skilled artisans, boasting a co-axial escapement and silicon balance spring for exceptional accuracy and resistance to magnetic fields. With its Master Chronometer certification from METAS, this watch meets the highest standards of precision and reliability. The Speedmaster Professional Moonwatch 3861 Canopus Gold is more than just a timepiece - it's a work of art that exudes sophistication and refinement.
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Key Features

  • 42mm white gold case with gem-set bezel
  • Manual-winding chronograph movement with co-axial escapement
  • Silicon balance spring for resistance to magnetic fields
  • Master Chronometer certification from METAS
  • Sapphire crystal with 50m water resistance
  • Stunning sunburst finish on the dial
  • Gem-set indexes and stick hands

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Sapphire / Silver - Sapphire / Bracelet
Reference
310.55.42.50.52.003
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 Pro 2024 | Excellent Condition (Full Set Box, Papers, Cards, etc) | $7500

Omega Speedmaster Pro 2024 | Excellent Condition (Full Set Box, Papers, Cards, etc) | $7500

This is an Omega Speedmaster Moonwatch Pro from 2024, available in excellent condition with a complete set of accessories and still under factory warranty.

  • Condition: Excellent Condition (Full Set)
  • Glass type: Sapphire Glass
  • Caseback: Open Caseback
Posted at
Feb 26, 2026, 10:46 PM
Active
[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! 🔥$10,000🔥

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm masterpiece crafted from black ceramic, commemorating the 50th anniversary of the Apollo 8 mission.

  • Condition: [UNWORN]
  • Material: black ceramic
  • Case diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Feb 26, 2026, 9:21 PM
Active
[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥

OMEGA - 311.30.40.30.01.001 · $16,000
The OMEGA Speedmaster Calibre 321 'Ed White' 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.

  • Condition: UNWORN
  • Movement: Calibre 321
  • Case material: stainless steel
  • Diameter: 39.7mm
Posted at
Feb 26, 2026, 9:09 PM
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[WTS] Omega Speedmaster Racing (Cart Edition)

Omega Speedmaster Racing (Cart Edition)

  • Key1: Cart Edition
Posted at
Feb 26, 2026, 8:36 PM
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[WTS] 🌖🔵Omega Speedmaster Moonwatch 50th Anniversary Snoopy Nov 2025 Complete Set | Mint Condition 🔥

🌖🔵Omega Speedmaster Moonwatch 50th Anniversary Snoopy Nov 2025 Complete Set | Mint Condition 🔥

This Omega Speedmaster Moonwatch is a limited edition 50th anniversary model featuring Snoopy. It comes with the special Snoopy 50th Anniversary box and accessories.

  • Condition: Mint Condition (handling marks only)
  • Shipping year: 1968
  • Payment methods: Wire or Zelle
Posted at
Feb 26, 2026, 7:37 PM
Active
[WTS] Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial

Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial

A super clean Omega Speedmaster in excellent condition from 2024, featuring a unique gold and green bezel on a green leather strap.

  • Condition: Excellent
  • Size: 38mm diameter
  • Materials: gold and green bezel, green leather strap
Posted at
Feb 26, 2026, 2:59 PM
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[WTS] Omega "Silver Snoopy" Speedmaster 2025

Omega "Silver Snoopy" Speedmaster 2025

Omega - 310.32.42.50.02.001 · $15,299
This Omega Speedmaster Silver Snoopy Award is a commemorative edition paying tribute to the safe return of Apollo 13, featuring a detailed caseback animation of Snoopy and mission-inspired design language.

  • Condition: Brand new, unworn
  • Case size: 42 mm
  • Diameter: 42 mm case diameter
  • Movement: Omega Co-Axial Master Chronometer Calibre 3861
Posted at
Feb 26, 2026, 2:51 PM
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[WTS] Omega Speedmaster Professional Moonwatch Sapphire Sandwich – Full Set – Sept 2025 Warranty – Bracelet + Leather

Omega Speedmaster Professional Moonwatch Sapphire Sandwich – Full Set – Sept 2025 Warranty – Bracelet + Leather

Omega - Sapphire Sandwich · $6,700
This Omega Speedmaster Professional Moonwatch Sapphire Sandwich features a manual-wind Co-Axial Master Chronometer movement and comes with an OEM stainless steel bracelet, leather strap, inner & outer boxes, warranty card, and booklets.

  • Condition: Very good condition
  • Case size: 42mm diameter
  • Crystal: Sapphire front & display caseback
  • Movement type: Manual-wind Co-Axial Master Chronometer
Posted at
Feb 26, 2026, 2:00 PM
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[WTS] 2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Price Reduced!

2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Price Reduced!

This Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph features a bold orange racing design and the modern Caliber 9900 Master Chronometer movement.

  • Condition: Preowned, barely worn
  • Movement: Caliber 9900 Master Chronometer movement - Co-Axial, anti-magnetic, column-wheel chronograph
  • Strap: Factory black micro-perforated leather with orange rubber lining and Omega folding deployant clasp
  • Power reserve: approximately 60 hours
Posted at
Feb 26, 2026, 12:19 PM
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