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] 2025 Omega Speedmaster Professional Moonwatch White Dial 310.30.42.50.04.001 Full Set

2025 Omega Speedmaster Professional Moonwatch White Dial 310.30.42.50.04.001 Full Set

Additional Details: Model: Speedmaster Professional Moonwatch Ref. 310.30.42.50.04.001, a manual wind Omega watch with a stainless steel case measuring 42mm in diameter.

  • Condition: Very nice preowned condition with some light scratches on the case and bracelet
  • Case material: Stainless Steel
  • Case dimensions: 42mm diameter
  • Bezel material: Stainless Steel
Posted at
Feb 2, 2026, 8:05 PM
Active
[WTS] Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

The Omega Speedmaster Racing features a striking silver white dial, bold chronograph hands and counters, and a stainless steel case and bracelet.

  • Condition: Excellent
  • Case material: stainless steel
  • Bracelet type: stainless steel
  • Movement: chronograph movement
Posted at
Feb 2, 2026, 7:35 PM
Active
[WTS] Omega Speedmaster "Mitsukoski". Box, Card, links. Limited to 300 pieces. 3570.31.

Omega Speedmaster "Mitsukoski". Box, Card, links. Limited to 300 pieces. 3570.31.

Omega - 3570.31 · $16,750
This Omega Speedmaster 'Mitsukoski' is a limited edition model with only 300 pieces produced, featuring strong lume and an Omega-marked crystal.

  • Condition: Very clean
  • Case Size: 40mm diameter
  • Water Resistance: No specified depth rating
Posted at
Feb 2, 2026, 7:22 PM
Active
[WTS] Omega Speedmaster 38 Chronograph 324.30.38.50.02.001 $3999

Omega Speedmaster 38 Chronograph 324.30.38.50.02.001 $3999

For sale is my Omega Speedmaster 38mm Chronograph, it still has some of the original stickers and comes with box and papers.

  • Condition: like new mint condition
  • Size: 38mm diameter
Posted at
Feb 2, 2026, 6:54 PM
Active
[WTS] Omega Speedmaster Legend Schumacher ref 3506.61 *PRICE DROP*

Omega Speedmaster Legend Schumacher ref 3506.61 *PRICE DROP*

Omega - 3506.61 · $3,999
This Omega Speedmaster Legend Schumacher features a striking red dial and special collection engraved case back, with a stainless steel bracelet.

  • Condition: like new
  • Case material: stainless steel
  • Bracelet: full links attached stainless steel bracelet
  • Warranty included: yes
Posted at
Feb 2, 2026, 6:49 PM
Active
[WTS] Horus Rubber Straps for Omega Speedmaster & Moonswatch + Fits other brands (Well below retail)

Horus Rubber Straps for Omega Speedmaster & Moonswatch + Fits other brands (Well below retail)

· $49
Horus rubber straps designed for Omega Speedmasters and Moonswatches. They are made of supple material and come in various colors.

  • Condition: Like New
  • Colors: 12 different colors: Blue Lavender, Light pink, Red, Navy blue w/ white stripe, Translucent Lime Green, Sky Blue, Cream, Hot Pink
  • Compatible Brands: Omega Speedmaster, Sinn, Zelos Swordfish, Heuer, Seamasters, IWC
Posted at
Feb 2, 2026, 5:09 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Vintage 1989 Complete Unpolished Apollo XI *Must See*

Omega Speedmaster Professional Moonwatch Vintage 1989 Complete Unpolished Apollo XI *Must See*

Omega - 145.0022.101 · $8,880
This is a vintage Omega Speedmaster Professional Moonwatch from 1989, with a tritium patina and original period-correct components.

  • Condition: Ridiculously excellent, unpolished
  • Bracelet length: 8in diameter
  • Bracelet material: 1450
  • End links: 808 solid end links
Posted at
Feb 2, 2026, 4:24 PM
Active
[WTS] Omega Speedmaster Moonwatch 42mm White Box & Papers

Omega Speedmaster Moonwatch 42mm White Box & Papers

The Omega Speedmaster Moonwatch 42mm features a sleek silver case, black bezel, and mechanical manual movement with 26 jewels.

  • Condition: very good
  • Movement Type: mechanical manual
  • Jewels: 26
Posted at
Feb 2, 2026, 3:29 PM
Active
[WTS] OMEGA Speedmaster date with card $2200

OMEGA Speedmaster date with card $2200

OMEGA - Speedmaster date · $2,200
A Classic Omega Speedmaster date is being sold, and comes with an undated warranty card.

  • Condition: Works as expected
  • Warranty: undated
  • Shipping: within CONUS
Posted at
Feb 2, 2026, 1:10 PM
Active