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][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Omega - 329.30.43.51.02.002 $5,350
Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm watch that functions perfectly mechanically.

  • Condition: fantastic with minor hairlines
  • Case size: 43mm
Posted at
Oct 22, 2025, 9:06 AM
Active
Help/advice for selling my Omega Speedmaster [wts]

Help/advice for selling my Omega Speedmaster

The seller is looking for advice on how to securely sell their four-figure Omega Speedmaster, citing concerns about scams and bot warnings.

  • Watch Model: Speedmaster
  • Seller Type: eBay
Posted at
Oct 21, 2025, 9:20 PM
Active
[WTS] Omega Speedmaster. Broad Arrow. Gorgeous Dial. See through movement. 馃敟

Omega Speedmaster. Broad Arrow. Gorgeous Dial. See through movement. 馃敟

Omega - 321.13.44.50.02.001 $3,275
This Omega Speedmaster features a Broad Arrow dial and a see-through movement, making it a stunning timepiece.

  • Movement: automatic
  • Dial: broad arrow dial
  • Shipping: Fedex with insurance
Posted at
Oct 21, 2025, 6:16 PM
Active
[WTS] Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!

Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!

Omega - 310.30.42.50.01.001 $4,895
A 42mm Omega Speedmaster Professional in amazing condition, with minimal wear and a complete set of accessories.

  • Condition: Like New
  • Case size: 42mm diameter
  • Movement type: automatic
Posted at
Oct 21, 2025, 5:42 PM
Active
[WTS] 2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

Omega - 310.30.42.50.01.002 $7,000
A 2025 Omega Speedmaster Professional Moonwatch Sapphire Sandwich, purchased in January 2025 and running perfectly.

  • Condition: Excellent preowned condition with minor signs of wear
  • Year: 2025 (factory warranty until Jan 2030)
  • Size: 42mm diameter
  • Retail: $9000
Posted at
Oct 21, 2025, 4:37 PM
Active
[WTS] Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega - 310.92.44.50.01.001 $11,950
A wonderful example of the Omega Speedmaster Dark Side Moon Apollo 8 model, featuring a black ceramic skeletonized dial and updated laser ablated moon surface. Paired with a Saturn V rocket constant seconds hand, this is one of the most detailed black ceramic watches to wear.

  • Condition: Mint condition, appears completely unworn
  • Case size: 44.25mm
Posted at
Oct 21, 2025, 4:34 PM
Active
[WTS] Omega Speedmaster Mark II

Omega Speedmaster Mark II

Omega - 145.014 $2,650
A 70's Omega Speedmaster Mark II in great shape, keeping time and chronograph functioning as it should. The watch has a chunky case that balances out with the drape of the bracelet, making it wear well.

  • Condition: Excellent, with minor degradation of paint on hour counter hand
  • Case Dimensions: 42.5mm width x 45.5mm length x 15mm thickness
  • Bracelet Adjustability: expandable to accommodate wrists up to 6.75"
  • Water Resistance Status: not guaranteed
Posted at
Oct 21, 2025, 3:58 PM
Active
[WTS] OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

OMEGA - 331.10.42.51.01.002 $4,200
The OMEGA Speedmaster '57 Heritage is a rare automatic version that bridges two worlds: precision instrument and personal treasure. It features a black dial with beige indices, sub-dials at 9 and 3 o'clock, and recessed hour markers with Super-LumiNova.

  • Condition: pre-owned with minor cosmetic flaws (AR coating mark)
  • Case size: 41.5mm diameter
  • Movement type: automatic chronograph
Posted at
Oct 21, 2025, 3:38 PM
Active
[WTS] Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega - 3220.50 $2,350
This Omega Speedmaster Triple Date 3220.50 features a classic look with additional Chronometer functionality, available for sale in very good condition.

  • Condition: Very good pre-owned condition
  • Case diameter: 40mm
  • Crystal condition: clean
  • Bracelet condition: desk rash, minor scratches
Posted at
Oct 21, 2025, 2:55 PM
Active