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 Reduced 3510.50 Omega Buckle

Omega Speedmaster Reduced 3510.50 Omega Buckle

Omega - 3510.50 · $2,075
For sale is an Omega Speedmaster Reduced in great condition with a nice patina on the dial.

  • Condition: great condition with some patina on the dial and wear on the strap and clasp
  • Band type: leather
  • Buckle type: Omega original
Posted at
Apr 17, 2026, 12:05 PM
Active
[WTS] Omega Speedmaster Hesalite 2023, $5700

Omega Speedmaster Hesalite 2023, $5700

This Omega Speedmaster Hesalite is a recent model, released in 2023, featuring a Preowned Condition with its original box and warranty.

  • Condition: Preowned
  • Shipping cost: $100 for USA
  • Payment options: Wire or Credit Card (+4.9% & 4 days clearance)
  • Warranty included: 2023 warranty
Posted at
Apr 17, 2026, 10:24 AM
Active
[WTS][US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,700
Up for sale is an Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - Full Set, functions perfectly mechanically without issue.

  • Condition: pristine condition with minor hairlines on clasp, case, and bracelet
  • Case size: 39.7mm
  • Bracelet condition: pristine condition with minor hairlines on clasp, case, and bracelet
Posted at
Apr 17, 2026, 6:20 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

Up for sale is an Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set Watch is in pristine condition and functions perfectly mechanically, without issue.

  • Condition: pristine with minor hairlines on clasp, case, and bracelet
  • Case size: 42mm diameter
Posted at
Apr 17, 2026, 6:14 AM
Active
[wts] 2025 Omega Speedmaster Chronoscope 
329.30.43.51.03.001 $6599

2025 Omega Speedmaster Chronoscope 329.30.43.51.03.001 $6599

  • Model name: Speedmaster Chronoscope
Posted at
Apr 17, 2026, 1:09 AM
Active
[WTS] Omega Speedmaster Date 3212.80

Omega Speedmaster Date 3212.80

Omega - 3212.80 · $1,999
A beautiful blue Omega Speedy Date 3212.80 in overall good condition with some minor imperfections.

  • Condition: Good condition with normal wear and scratches on the aluminum bezel
  • Bracelet size fits about: 7 inches
  • Movement: Cal 1164
  • Case diameter: 40mm
Posted at
Apr 16, 2026, 9:36 PM
Active
[WTS] 2010 / Omega / Speedmaster date / Silver Dial / 40mm

2010 / Omega / Speedmaster date / Silver Dial / 40mm

Omega - 3211.30 · $3,500
A 2010 Omega Speedmaster date model featuring a silver dial and 40mm case.

  • Condition: Excellent Condition
  • Case Size: 40mm
Posted at
Apr 16, 2026, 7:20 PM
Active
[WTS] 2022 OMEGA Speedmaster Chrono 38 324.30.38.50.03.001 Full Set Mint Sun Brushed Blue Dial $4975

2022 OMEGA Speedmaster Chrono 38 324.30.38.50.03.001 Full Set Mint Sun Brushed Blue Dial $4975

The OMEGA Speedmaster Chrono 38 is a modern take on the iconic chronograph, featuring a sunburst blue dial and a versatile 38mm case size.

  • Condition: Mint / Like New
  • Case Size: 38mm
  • Movement: Automatic Chronograph (Omega Caliber 3330)
  • Bracelet Length: 20.5 links
Posted at
Apr 16, 2026, 6:51 PM
Active
[WTS] PRICE DROP Omega SpeedMaster 38 324.30.38.50.02.001 Complete Set Excellent Condition

PRICE DROP Omega SpeedMaster 38 324.30.38.50.02.001 Complete Set Excellent Condition

The Omega Speedmaster 38 offers a refined take on the legendary Speedmaster design, combining classic chronograph heritage with a more versatile and wearable case size.

  • Condition: Excellent Condition
  • Case Size: 38mm
  • Case Material: Stainless Steel
  • Bezel: Fixed Tachymeter
Posted at
Apr 16, 2026, 5:51 PM
Active