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 Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

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

Up for sale is an Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm.

  • Condition: Great, with minor chip on edge of case back
  • Case size: 44mm diameter
  • Clasp material: titanium ceramic
Posted at
Mar 21, 2026, 11:58 AM
Active
[WTS] Omega Speedmaster Date 3513.50 $1,800

Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 · $1,800
The Omega Speedmaster Date 3513.50 features a deep sunburst textured black dial with a classic polished bezel, powered by the Omega 1152, Valjoux 7750 date automatic chronograph.

  • Condition: Preowned - Good
  • Case Diameter: 39mm
Posted at
Mar 21, 2026, 9:51 AM
Active
[WTS] Omega Speedmaster Date 3210.50.00

Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,100
This Omega Speedmaster Date is in excellent condition, featuring a chronograph function and a bracelet with 7 removable links.

  • Condition: Excellent condition
  • Bracelet length: 7.5"
  • Links: 7
  • Shipping: shipped and insured within the U.S.
Posted at
Mar 21, 2026, 9:41 AM
Active
[WTS] 20mm Black Omega Speedmaster Rubber Strap and Deployant Clasp

20mm Black Omega Speedmaster Rubber Strap and Deployant Clasp

Omega - Speedmaster · $499
Up for sale is this extremely comfortable Omega Strap and Clasp, **Like New**, with a moon surface texture on the underside.

  • Condition: Excellent
  • Size: Medium / Standard
  • Strap width: 20mm
Posted at
Mar 21, 2026, 12:36 AM
Active
[WTS] Omega Speedmaster 39mm $2500

Omega Speedmaster 39mm $2500

Omega - 39mm · $2,500
A Omega Speedmaster 39mm is being listed for sale, with the original purchase from eBay in Japan a few years ago. The watch may have been serviced but no guarantees are made.

  • Case diameter: 39mm
Posted at
Mar 20, 2026, 11:12 PM
Active
[WTS] Omega Speedmaster Professional “Reverse Panda” 42MM - 310.30.42.50.01.004 (NEW / UNWORN 2026 COMPLETE SET)

Omega Speedmaster Professional “Reverse Panda” 42MM - 310.30.42.50.01.004 (NEW / UNWORN 2026 COMPLETE SET)

Omega - 310.30.42.50.01.004 · $10,500
A 42MM Omega Speedmaster Professional 'Reverse Panda' with all original packaging and accessories, in pristine condition.

  • Condition: New / Unworn
  • Size: 42mm diameter
  • Included accessories: outer sleeve, outer box, inner box, all cards, x2 manuals, AD shipping coffin, serialized hangtag, UPC Sticker, microfiber, travel case
Posted at
Mar 20, 2026, 10:10 PM
Active
[WTS] 2025 Omega Speedmaster Professional “Sapphire Sandwich” Ref. 310.30.42.50.01.002 | Full Set | Warranty to 2030 | + OEM Sailcloth

2025 Omega Speedmaster Professional “Sapphire Sandwich” Ref. 310.30.42.50.01.002 | Full Set | Warranty to 2030 | + OEM Sailcloth

The Omega Speedmaster Professional 'Sapphire Sandwich' is a 2025 model, featuring a stainless steel case with sapphire front and caseback.

  • Condition: Excellent
  • Calibre: 3861 Co-Axial Master Chronometer
  • Case Size: 42mm diameter
  • Material: stainless steel
Posted at
Mar 20, 2026, 7:21 PM
Active
[WTS] Omega Speedmaster Professional “Chocolate Dial” 42mm Ref. 311.30.42.30.13.001  Sapphire Sandwich, Full Set, Excellent Condition

Omega Speedmaster Professional “Chocolate Dial” 42mm Ref. 311.30.42.30.13.001 Sapphire Sandwich, Full Set, Excellent Condition

This Omega Speedmaster Professional features a unique chocolate dial and sapphire crystal, showcasing the beautifully finished Caliber 1863 movement.

  • Condition: Excellent pre-owned
  • Case size: 42mm
  • Case material: Stainless Steel
  • Dial color: Brown 'Chocolate' Dial (tropical-inspired)
Posted at
Mar 20, 2026, 7:01 PM
Active
[WTS] Omega Speedmaster Racing 329.30.44.51.04.001 COMPLETE SET 2024

Omega Speedmaster Racing 329.30.44.51.04.001 COMPLETE SET 2024

This Omega Speedmaster Racing features a white dial and comes with the complete set including double boxed, all the cards, warranty card dated 2024, and manual.

  • Condition: Excellent
  • Payment Methods: crypto, credit/debit card, other methods (excluding PayPal)
  • Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
  • Shipping: shipped
Posted at
Mar 20, 2026, 4:15 PM
Active