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

Reference 310.55.42.50.52.001

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.001 is a masterpiece that encapsulates the spirit of adventure, precision, and luxury. This manual-winding chronograph watch features a Canopus Gold case with a sapphire crystal glass and a water resistance of 50 meters. The stunning gem-set bezel adorned with rubies adds a touch of glamour to its classic Speedmaster design. The Omega caliber 3861 movement is a marvel of modern engineering, certified as a Master Chronometer by METAS for its accuracy and precision. With its blend of tradition and innovation, the Speedmaster 310.55.42.50.52.001 is undoubtedly a stellar choice for anyone looking to invest in a watch that's as functional as it is beautiful. Whether you're dressing up for a formal event or keeping it casual, this watch fits seamlessly into any wardrobe. Its elegant design makes it suitable for every occasion, proving that luxury doesn't always have to feel ostentatious.
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Key Features

  • 42mm Canopus Gold case
  • Sapphire crystal glass with scratch resistance
  • 50m water resistance
  • Omega caliber 3861 movement
  • Master Chronometer certification by METAS
  • Chronograph feature with elapsed time measurement
  • Stunning gem-set bezel with rubies

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Ruby / Silver - Ruby / Bracelet
Reference
310.55.42.50.52.001
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] 1989 Omega Speedmaster Automatic 175.0032. Vintage Speedy | Runs well

1989 Omega Speedmaster Automatic 175.0032. Vintage Speedy | Runs well

Omega - 175.0032 · $2,700
A vintage Omega Speedmaster Automatic from 1989, featuring incredible tritium lume patina and a few variations in caseback and bracelet.

  • Condition: Excellent, with honest but light wear
  • Caseback variations: multiple caseback designs available for this reference
  • Bracelet variations: multiple bracelet options available for this reference
Posted at
Jan 14, 2026, 9:56 AM
Active
[WTS] Omega Speedmaster First Omega In Space FOIS 40mm 310.30.40.50.06.001 | 8/2025 Full Set

Omega Speedmaster First Omega In Space FOIS 40mm 310.30.40.50.06.001 | 8/2025 Full Set

This is a 40mm Omega Speedmaster First Omega In Space (FOIS) with a Master Chronometer certification.

  • Condition: Pre-Owned, Great Condition
  • Bezel condition: Clean
  • Crystal condition: Clean
  • Bracelet length: 23 Links
Posted at
Jan 13, 2026, 10:27 PM
Active
[WTS] Omega Speedmaster 38 324.30.38.50.01.001 | 2024 Full Set w/ Extra OEM Strap

Omega Speedmaster 38 324.30.38.50.01.001 | 2024 Full Set w/ Extra OEM Strap

A 2024 Omega Speedmaster 38 with a slight scratching on the anti-reflective coating, available for sale in excellent condition with extra OEM strap and various other accessories.

  • Condition: Pre-Owned | Slight scratching on AR Coating
  • Water resistance: 350 AMP
Posted at
Jan 13, 2026, 10:23 PM
Active
[WTS] 2024 Omega Speedmaster “First Omega in Space” 310.30.40.50.06.001 – Full Set + Extra Uncle Bracelet – $6,950 Shipped

2024 Omega Speedmaster “First Omega in Space” 310.30.40.50.06.001 – Full Set + Extra Uncle Bracelet – $6,950 Shipped

A modern reissue of the Speedmaster worn by Wally Schirra during the Sigma 7 mission, featuring a slimmer 39.7mm case and vintage-inspired aesthetic.

  • Condition: Excellent
  • Case size: 39.7mm
  • Movement: Omega Caliber 3861, Manual-wind chronograph
  • Crystal: Sapphire
Posted at
Jan 13, 2026, 7:58 PM
Active
[WTS]  20mm Omega Integrated Speedmaster Black Rubber Strap & Omega Clasp - (Backordered)  2. 20mm Omega SMP 300 Black Rubber Strap & Omega OEM Clasp

20mm Omega Integrated Speedmaster Black Rubber Strap & Omega Clasp - (Backordered) 2. 20mm Omega SMP 300 Black Rubber Strap & Omega OEM Clasp

The seller is offering two Omega watch straps for sale: a black rubber strap with integrated Speedmaster design and an SMP 300 Black Rubber Strap. Both straps are OEM and come with their respective clasps.

  • Strap Type1: Integrated Speedmaster Rubber Strap
  • Strap Type2: SMP 300 Black Rubber Strap
  • Clasp Type1: Omega OEM Stainless Steel Deployant Clasp
Posted at
Jan 13, 2026, 5:42 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🍫

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🍫

Omega - 145.022-69 · $14,995
The Omega Speedmaster Moonwatch 145.022-69 features a super tropical brown dial with heavy yellow patina, a deep blue bezel, and tritium that glows green under UV light.

  • Condition: Very rare and fully original, beautiful condition
  • Case size: 42mm
  • Year of production: 1969
  • Movement serviced: November 2025
Posted at
Jan 13, 2026, 5:18 PM
Active
[WTS] Omega Speedmaster white dial on bracelet with oem rubber included

Omega Speedmaster white dial on bracelet with oem rubber included

Omega - Speedmaster · $7,500
A white Omega Speedmaster on bracelet, sold in good condition with some minor cosmetic issues.

  • Condition: Good condition with some swirls and light scratches (8.5/10)
  • Box And Papers: Full kit
  • Purchase Receipt: Original
Posted at
Jan 13, 2026, 2:42 PM
Active
[WTS] Omega Speedmaster. Sapphire Sandwich. Automatic. Box, Papers.

Omega Speedmaster. Sapphire Sandwich. Automatic. Box, Papers.

Omega Speedmaster, also known as the Sapphire Sandwich, is a high-end automatic watch that features strong lume.

  • Water Resistance: 30m
  • Box And Papers: true
Posted at
Jan 13, 2026, 1:38 PM
Active
[WTS] Omega Speedmaster Sapphire

Omega Speedmaster Sapphire

A Omega Speedmaster Moonwatch listed for sale, stated to run great with excellent case condition.

  • Condition: Excellent
  • Case condition: Excellent
Posted at
Jan 13, 2026, 8:40 AM
Active