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 Reduced 3510.50 39mm Watch Only $2,500

Omega Speedmaster Reduced 3510.50 39mm Watch Only $2,500

Omega - 3510.50 $2,500
A Speedmaster Reduced from Omega, a watch only sale with the bracelet fitting about 18cm wrists.

  • Shipping origin: Singapore
  • Shipping to usa: 4-5 business days
  • Payment methods: Wise, Revolut, Wire Transfer, Crypto, Venmo
Posted at
Mar 11, 2026, 5:20 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch (Hesalite)

Omega Speedmaster Professional Moonwatch (Hesalite)

Omega - 310.30.42.50.01.001 $5,750
This modern Omega Speedmaster Professional Moonwatch features Master Chronometer technology, a stainless steel case, and a black anodized aluminum tachymeter bezel.

  • Condition: Excellent
  • Case size: 42mm
  • Movement type: Co-Axial Master Chronometer Caliber 3861
  • Power reserve: 50 hours
Posted at
Mar 11, 2026, 12:04 AM
Active
[WTS] Omega Speedmaster Automatic Day-Date 3520.50.00 MK 40 | Great Condition (Serviced) | $2450

Omega Speedmaster Automatic Day-Date 3520.50.00 MK 40 | Great Condition (Serviced) | $2450

Omega - 3520.50.00 MK 40 $2,450
The Omega Speedmaster Automatic Day-Date features a stainless steel case with a twisted-lug design and domed sapphire crystal, powered by the modified Valjoux 7751 automatic chronograph movement.

  • Condition: Great condition, serviced
  • Movement: Omega 1151 (modified Valjoux 7751)
  • Case dimensions: 39mm diameter, 44.75mm lug-to-lug, 14mm thick
  • Lug width: 18mm
Posted at
Mar 10, 2026, 10:34 PM
Active
[WTS] Omega Speedmaster Reverse 馃敟BNIB 3/2026, $10.5k +Shipping馃敟

Omega Speedmaster Reverse 馃敟BNIB 3/2026, $10.5k +Shipping馃敟

Omega - 310.30.42.50.01.004 $10,500
The Omega Speedmaster Reverse is being sold as a brand new watch with a reference number of 310.30.42.50.01.004.

  • Condition: Brand New
  • Serial Number: not found
  • Depth Rating: not found
  • Water Resistance: not found
Posted at
Mar 10, 2026, 10:19 PM
Active
[WTS] Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO

Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO

Omega - 310.30.42.50.01.001 $5,500
This Omega Speedmaster Professional Moonwatch features a stainless steel case with a black dial and Hesalite crystal, powered by a manual wind mechanical movement.

  • Condition: Very Good Condition
  • Case Dimensions: 42mm diameter
  • Bezel: stainless steel black
  • Dial Color: black
Posted at
Mar 10, 2026, 9:55 PM
Active
[WTS] 2024 OMEGA SPEEDMASTER PROFESSIONAL- WHITE DIAL - FULL KIT - $7,800

2024 OMEGA SPEEDMASTER PROFESSIONAL- WHITE DIAL - FULL KIT - $7,800

Omega - 310.30.42.50.04.001 $7,800
The 2024 White Dial Omega Speedmaster Professional features a glossy, lacquered white stepped dial with applied blackened markers and hands. It is powered by the METAS-certified Master Chronometer Calibre 3861 and viewed through a sapphire exhibition caseback.

  • Condition: Great condition/minor desk diving
  • Movement: Manual-winding Calibre 3861 (Anti-magnetic to 15,000 gauss)
  • Dial size: 42mm
  • Water resistance: unknown
Posted at
Mar 10, 2026, 9:38 PM
Active
[WTS] Omega Speedmaster Moonwatch 310.30.42.50.01.002 - Legendary Timepiece

Omega Speedmaster Moonwatch 310.30.42.50.01.002 - Legendary Timepiece

Omega - 310.30.42.50.01.002 $6,900
The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is an iconic timepiece that combines precision with timeless design. Featuring a robust stainless steel case and a classic black dial, it's not just a watch鈥攊t's a piece of history.

  • Condition: Good
  • Case material: stainless steel
  • Dial color: black
Posted at
Mar 10, 2026, 5:32 PM
Active
[WTS] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega - 329.30.44.51.01.001 $5,850
A Omega Speedmaster Racing Chronograph in the model 329.30.44.51.01.001 features a 44.25mm size and has all functions working as expected.

  • Condition: pre-owned with minor wear
  • Size: 44.25mm diameter
  • Bracelet material: stainless steel
Posted at
Mar 10, 2026, 4:54 PM
Active
[WTS] Omega Speedmaster First Omega In Space (FOIS)

Omega Speedmaster First Omega In Space (FOIS)

Omega - 311.32.40.30.01.001 $4,250
This Omega Speedmaster "First Omega in Space" features a size of 39.7mm and comes with multiple straps.

  • Case Size: 39.7mm
  • Strap Count: 6
  • Includes: Omega boxes,pictogram card,operating instructions booklet
Posted at
Mar 10, 2026, 1:14 PM
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