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] 2026 Omega Speedmaster “Reverse Panda”
310.30.42.50.01.004 $9599

2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599

A 2026 Omega Speedmaster "Reverse Panda" with a 42mm steel case and black dial.

  • Condition: Preowned, Cosmetic Condition: 9.9/10, Fully Functional
  • Warranty card date: February 2026
  • Case size: 42mm diameter
  • Movement: 3861 caliber
Posted at
May 7, 2026, 1:58 PM
Active
[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Up for sale is a Omega Speedmaster Moonphase Black, a 2020 model featuring a moon phase display.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 7, 2026, 1:45 PM
Active
[WTS] Omega Speedmaster Reduced Strap - 18mm

Omega Speedmaster Reduced Strap - 18mm

  • Strap width: 18mm
Posted at
May 7, 2026, 11:22 AM
Active
[WTS] Omega Speedmaster 3519.50.00 “Schumacher World Champion 2001” LE — Racing Dial — $2,550 Shipped (Tariff Covered)

Omega Speedmaster 3519.50.00 “Schumacher World Champion 2001” LE — Racing Dial — $2,550 Shipped (Tariff Covered)

Omega - 3519.50.00 · $2,550
This Omega Speedmaster is a limited edition "Schumacher World Champion 2001" watch featuring a unique racing dial.

  • Case size: 40mm diameter
  • Band type: leather strap
  • Dial color: racing dial
Posted at
May 7, 2026, 10:44 AM
Active
[WTS] Genuine (OEM) Omega Speedmaster Apollo 11 50th Anniversary Flat Link Bracelet

Genuine (OEM) Omega Speedmaster Apollo 11 50th Anniversary Flat Link Bracelet

Omega · $1,120
The Omega Speedmaster Apollo 11 50th Anniversary Flat Link Bracelet is a sought-after accessory designed exclusively for the limited edition Apollo 11 50th Anniversary 'Moonshine' steel model. It features fully brushed flat links with polished outer edges and a compact, vintage-style clasp.

  • Condition: Great, lightly used
  • Lug width: 20mm
  • Taper: 20mm to 15mm (Dramatic, vintage-style taper)
  • Material: Stainless Steel
Posted at
May 7, 2026, 10:06 AM
Active
[WTS] 2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500
The Omega Speedmaster Sedna Gold is a modern take on the iconic Moonwatch design, featuring a rich black dial and matching gold bracelet. It's powered by a Master Chronometer manual-wind movement, blending classic heritage with modern performance.

  • Condition: Like new, small ding on bezel near 12 o'clock
  • Box And Papers: Yes
  • Bracelet Material: Gold
  • Case Diameter: 42mm
Posted at
May 7, 2026, 9:12 AM
Active
[WTS][US] Omega Speedmaster Moonphase - Black Dial - 44mm - 304.30.44.52.01.001

[US] Omega Speedmaster Moonphase - Black Dial - 44mm - 304.30.44.52.01.001

Up for sale is an Omega Speedmaster Moonphase - Black Dial - 44mm watch that functions perfectly mechanically.

  • Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
  • Case size: 44mm diameter
Posted at
May 7, 2026, 6:52 AM
Active
[WTS] Omega Speedmaster 3861 Bracelet 020STZ013434

Omega Speedmaster 3861 Bracelet 020STZ013434

Up for sale is an authentic Omega Speedmaster 3861 Bracelet, which fits the 42mm modern and 1861 speedy's.

  • Condition: like new, barely worn
  • Lug width: 20mm
  • Clasp width: 15mm
Posted at
May 6, 2026, 11:40 PM
Active
[WTS] Omega Speedmaster Moon to Mars Special Edition

Omega Speedmaster Moon to Mars Special Edition

Omega - 3577.50 · $6,500
The Omega Speedmaster Pro 'Moon to Mars' features a beautiful dial with subdials painted as Earth, Moon and Mars.

  • Condition: good, with a scratch on the crystal at 1 o'clock
  • Movement: 1861 Manual
  • Size: 42mm diameter
  • Bracelet size: fits about 7 inches
Posted at
May 6, 2026, 9:13 PM
Active