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.
Buy Now on Jomashop
This is an affiliate link

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] Omega Speedmaster Reduced 3510.50

Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,550
For sale is an Omega Speedmaster Reduced 3510.50 in really great condition, with no major signs of wear, and running great.

  • Condition: really great condition
  • Payment Methods Accepted: pretty much every payment method including crypto
  • No Paypal: true
  • Trade Acceptable Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Feb 4, 2026, 3:43 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

For sale is a super clean Omega Speedmaster with a unique gold and green bezel, sitting on a green leather strap.

  • Condition: Excellent
  • Case Size: 38mm diameter
  • Bezel Color: gold and green
Posted at
Feb 4, 2026, 3:36 PM
Active
[WTS] 2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900

2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900

This is a 2021 Omega Speedmaster Moonwatch Chronograph with a stainless steel black dial and Hesalite crystal.

  • Condition: Excellent overall condition
  • Box: Original Double Omega boxed
  • Papers: Yes (Box and Papers)
  • Warranty: 5 year manufacturer warranty
Posted at
Feb 4, 2026, 3:08 PM
Active

2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900

2021 Omega Speedmaster Moonwatch in stainless steel with a black dial and 42mm case size.

  • Case size: 42mm
Posted at
Feb 4, 2026, 3:06 PM
Active
[WTS] Selling my Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30 with big box asking $3999 CONUS + shipping

Selling my Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30 with big box asking $3999 CONUS + shipping

Recently purchased Omega Speedmaster Professional Moonwatch Hesalite, in good condition, with a beautifully repaired leather strap. The watch runs well and keeps time accurately.

  • Condition: good condition, minor damage on leather strap
  • Leather strap condition: minor damage with visible repair
  • Strap included: no
Posted at
Feb 4, 2026, 12:26 PM
Active
[WTS] Omega Speedmaster ref. 310.30.42.50.1.001. Super nice condition, watch only. Fully linked and running perfectly. $4900 shipped conus.

Omega Speedmaster ref. 310.30.42.50.1.001. Super nice condition, watch only. Fully linked and running perfectly. $4900 shipped conus.

A well-maintained Omega Speedmaster in excellent working order, fully linked.

  • Condition: super nice condition, watch only
Posted at
Feb 3, 2026, 10:29 PM
Active
[WTS] Omega Speedmaster Reduced Black Mother of Pearl - Full Serviced! - $2,999 Shipped!

Omega Speedmaster Reduced Black Mother of Pearl - Full Serviced! - $2,999 Shipped!

This Omega Speedmaster Reduced Black Mother of Pearl is a watch that features a unique mother-of-pearl dial. It has been fully serviced.

  • Serviced: true
Posted at
Feb 3, 2026, 8:13 PM
Active
[WTS] Omega Speedmaster 3520.50 Triple Calendar Mk40 Cosmos - Box & Paper - $1999 SHIPPED

Omega Speedmaster 3520.50 Triple Calendar Mk40 Cosmos - Box & Paper - $1999 SHIPPED

Omega - 3520.50 · $1,999
This Omega Speedmaster Triple Calendar Mk40 Cosmos features a 39mm case size, black dial, and bezel, powered by the Omega 1151 Caliber. It has a day, date, and month function.

  • Condition: Fair user condition
  • Case size: 39mm
  • Lug-to-lug: 44.75mm
  • Bracelet size: fits up to 6.75"
Posted at
Feb 3, 2026, 6:46 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425
This Omega Speedmaster Moonwatch presents beautifully in full steel, showcasing a strong and sharp case with thick lugs that retain their original shape. The step dial displays a warm yellow patina across the hour markers and matching hands, creating a cohesive vintage appeal. The tritium lume remains reactive under UV light.

  • Condition: Serviced, lightly polished case
  • Size: 42mm diameter
  • Year: 1969
  • Movement: 861 caliber, professionally serviced
Posted at
Feb 3, 2026, 5:56 PM
Active