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

Reference 310.55.42.50.52.003

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

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] (Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

(Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

Omega - Speedmaster Moonwatch · $7,800
This Omega Speedmaster Moonwatch features a white dial, and comes with its full set of accessories, including boxes, papers, warranty card, pictogram card, Master Chronometer card, and extra links.

  • Condition: Overall mint condition
  • Set included: 2025 full set
  • Extra links: 1
Posted at
Apr 23, 2026, 12:06 AM
Active
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[WTS] 🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

Omega - 304.30.44.52.01.001 · $11,750
The Omega Speedmaster Moonphase is a brand new, full set model from 2026.

  • Condition: Brand New
  • Msrp: 13000
  • Shipping: fully insured to nearest FedEx Office for signature pickup
Posted at
Apr 22, 2026, 10:30 PM
Active
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[WTS] OMEGA SPEEDMASTER DATE 3513.50 WITH PAPERS

OMEGA SPEEDMASTER DATE 3513.50 WITH PAPERS

Omega - 3513.50 · $1,750
A lightly worn Omega Speedmaster Date with a dated card, extra link, and no box.

  • Condition: lightly worn
  • Diameter: 40mm
Posted at
Apr 22, 2026, 8:47 PM
Active
View listing on r/WatchExchange
[WTS] 2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set

2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set

Omega - 310.30.42.50.01.001 · $6,050
2026 Omega Speedmaster Moonwatch Professional, a stainless steel manual wind watch with black dial and hesalite crystal.

  • Condition: Excellent preowned condition with some light scratches.
  • Case dimensions: 42mm
  • Movement type: Manual Wind, Mechanical
Posted at
Apr 22, 2026, 7:54 PM
Active
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[wts] 2023 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002 $6499

2023 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002 $6499

OMEGA - 310.30.42.50.01.002 · $6,499
2023 OMEGA SPEEDMASTER PROFESSIONAL with manual wind movement and sapphire crystal. Features a 42mm case size and 50 hour power reserve.

  • Condition: Pre owned, cosmetic condition 9/10
  • Case size: 42mm diameter
  • Bracelet: tapered stainless steel with micro adjustments
  • Movement: manual wind 3861
Posted at
Apr 22, 2026, 7:15 PM
Active
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[WTS] 2021 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002

2021 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002

OMEGA - 310.30.42.50.01.002 · $5,799
2021 OMEGA SPEEDMASTER PROFESSIONAL features a manual wind movement, 50 hour power reserve, and 42mm case size. It also comes with a sapphire crystal and 50 meters water resistance.

  • Condition: Pre owned, cosmetic condition 7/10
  • Case size: 42mm diameter
  • Bracelet material: tapered stainless steel
  • Movement: manual wind 3861
Posted at
Apr 22, 2026, 6:32 PM
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[WTS] Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set

Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set

Omega - 310.30.42.50.01.002 · $6,000
This Omega Speedmaster Professional, also known as the Sapphire Sandwich, is a manual-wind watch with a Master Chronometer movement and features a stunning Caliber 3861 movement visible through an exhibition caseback.

  • Condition: pristine
  • Purchase Price: 9000
  • Dimensions: 42mm diameter, 20mm lug width
  • Bracelet Type: tapered
Posted at
Apr 22, 2026, 3:53 PM
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[WTS] 3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently

3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently

Omega - 3510.50 · $3,300
This is a 26-year-old Omega Reduced Speedmaster in excellent vintage condition, with original warranty card and recently serviced movement.

  • Condition: Excellent vintage condition
  • Warranty card: Original warranty card included
  • Movement serviced: Recently serviced movement
Posted at
Apr 22, 2026, 1:49 PM
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[WTS] Omega Speedmaster Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)

Omega Speedmaster Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)

Posted at
Apr 22, 2026, 1:29 PM
Active
View listing on r/WatchExchange