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

Reference 310.55.42.50.52.002

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.002 is a legendary timepiece that combines stunning aesthetics with advanced horological technology. This manual-winding chronograph movement boasts exceptional precision and reliability, featuring a co-axial escapement and silicon balance spring. The watch's luxurious materials, including Canopus gold and gem-set bezel, add a sophisticated touch. With its water resistance of 50 meters, this watch is perfect for everyday adventures. The Speedmaster series is Omega's flagship line, known for its association with space exploration, making it a worthy investment for collectors and enthusiasts.
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Key Features

  • Omega caliber 3861 movement
  • Canopus gold case and bezel
  • Gem-set indexes and rainbow accents
  • Chronograph function with co-axial escapement
  • Silicon balance spring for exceptional reliability
  • Water resistance of 50 meters

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet
Reference
310.55.42.50.52.002
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 $1800

Omega Speedmaster $1800

Omega - Speedmaster · $1,800
A Speedmaster watch is being sold for $1800. The watch is a well-known model from Omega. It ships only in the US, implying it may not be available internationally.

  • Shipping restrictions: ships only in the US
Posted at
Jan 31, 2026, 7:09 PM
Active
[WTS] Omega Speedmaster 3861 Sapphire Sandwich with Ceramic Bezel

Omega Speedmaster 3861 Sapphire Sandwich with Ceramic Bezel

Omega - 3861 · $6,600
A classic Omega Speedmaster 3861 Sapphire Sandwich in excellent condition, featuring a ceramic bezel and micro-adjust clasp. It's perfect for everyday wear.

  • Condition: Fantastic, with only some very light marks from wear
  • Case material: Sapphire Sandwich
  • Bezel: Ceramic, upgrade from Spiralwinder
Posted at
Jan 31, 2026, 5:38 PM
Active
[WTS] 2024 Omega Speedmaster 38 Orbis Edition 324.30.38.50.03.002 Full Set Excellent

2024 Omega Speedmaster 38 Orbis Edition 324.30.38.50.03.002 Full Set Excellent

This 2024 Omega Speedmaster 38 Orbis Edition features a unique blend of classic Speedmaster DNA and Omega's partnership with Orbis International.

  • Condition: Excellent
  • Year: 2024
  • Contents: Full Set
Posted at
Jan 31, 2026, 2:17 PM
Active
[WTS] #FIRESALE 🔥# Omega Speedmaster. 39mm. White Ceramic. Very nice. $2895 Only...

#FIRESALE 🔥# Omega Speedmaster. 39mm. White Ceramic. Very nice. $2895 Only...

Omega - Speedmaster · $2,895
A Omega Speedmaster in white ceramic with strong lume is being sold for $2895.

  • Size: 39mm diameter
  • Material: White Ceramic
Posted at
Jan 31, 2026, 11:15 AM
Active
[WTS][US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

[US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

This Omega Speedmaster features a grey dial and is housed in a 44mm case. It functions perfectly mechanically and includes various accessories.

  • Condition: Great condition, small chip on edge of case back
  • Case size: 44mm diameter
Posted at
Jan 31, 2026, 10:49 AM
Active
[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

This Omega Speedmaster Moonwatch Professional features a white dial and comes with a full set of accessories.

  • Condition: Fantastic condition
  • Box Set: yes, includes inner, outer, & removable travel case
  • Accessories: historical booklet, user manual, microfiber cloth, purchase receipt, serialized case back sticker, pictogram card, master chronometer card, warranty card (dated 03/2024)
  • Clasp Condition: minor hairlines
Posted at
Jan 31, 2026, 10:31 AM
Active
[WTS] 2024 Omega Speedmaster “First Omega in Space” 310.30.40.50.06.001 – Full Set - $6,950 Shipped

2024 Omega Speedmaster “First Omega in Space” 310.30.40.50.06.001 – Full Set - $6,950 Shipped

The Omega Speedmaster 'First Omega in Space' is a modern reissue honoring the Speedmaster worn by Wally Schirra during the Sigma 7 mission, featuring a slim 39.7mm case and vintage-inspired design.

  • Condition: Good (normal signs of wear)
  • Case size: 39.7mm
  • Movement: Manual-wind chronograph (Omega Caliber 3861)
  • Crystal: Sapphire
Posted at
Jan 31, 2026, 8:52 AM
Active
[WTS] Omega Speedmaster Triple Date Blue Dial Ref : 3521.80 Condition Good Price : 2100$ ( USD )

Omega Speedmaster Triple Date Blue Dial Ref : 3521.80 Condition Good Price : 2100$ ( USD )

Omega - 3521.80 · $2,100
This Omega Speedmaster Triple Date features a blue dial, automatic Caliber 1151 movement, and is available for purchase for $2100.

  • Condition: Good
  • Size: 39mm diameter
  • Movement: Caliber 1151 (Automatic)
Posted at
Jan 31, 2026, 4:16 AM
Active
[WTS] Omega Speedmaster. MK40. Triple Date. 🔥

Omega Speedmaster. MK40. Triple Date. 🔥

Omega - MK40 · $2,750
A 39mm Omega Speedmaster with automatic movement and triple date functionality, available for sale in New Jersey.

  • Case size: 39mm diameter
  • Movement type: Automatic
Posted at
Jan 30, 2026, 5:37 PM
Active