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] 3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently

3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently

Omega - 3510.50 · $3,300
This is a 26-year-old Omega Reduced Speedmaster in excellent vintage condition, with original warranty card and recently serviced movement.

  • Condition: Excellent vintage condition
  • Warranty card: Original warranty card included
  • Movement serviced: Recently serviced movement
Posted at
Apr 22, 2026, 1:49 PM
Active
[WTS] Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25

Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25

A Omega Speedmaster Professional in like new condition with a sapphire sandwich case and reference number 310.30.42.50.01.002.

  • Condition: Like new
  • Missing items: outer box, user's manual, Moonwatch booklet, outer pillow
Posted at
Apr 22, 2026, 11:58 AM
Active
[WTS] Omega Speedmaster Professional Reverse New Apr 2026, $10.2k

Omega Speedmaster Professional Reverse New Apr 2026, $10.2k

Omega - 310.30.42.50.01.004 · $10,200
This Omega Speedmaster Professional Reverse is a brand new watch with a reference number of 310.30.42.50.01.004, coming with its original box and April 2026 warranty.

  • Condition: Brand New
  • Shipping cost: $200 for USA shipping
  • Payment methods: Wire or Credit Card (+4.9% and 4 days clearance)
  • Warranty: Apr 2026 warranty
Posted at
Apr 22, 2026, 9:55 AM
Active
[WTS] 2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495

2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495

A 2021 Omega Speedmaster Racing in excellent condition with minimal signs of wear, featuring a orange full set including the watch, inner and outer box, card holder, international warranty card, pictograms card, master chronometer card, and instructions manual.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2021
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
  • Shipping Method: Fedex
Posted at
Apr 22, 2026, 9:47 AM
Active
[WTS] 2024  OMEGA SPEEDMASTER WHITE DIAL
310.30.42.50.04.001 $7299

2024 OMEGA SPEEDMASTER WHITE DIAL 310.30.42.50.04.001 $7299

2024 OMEGA SPEEDMASTER WHITE DIAL for sale

Posted at
Apr 22, 2026, 9:23 AM
Active
[WTS] OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich 311.30.42.30.01.006 Full Set

OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich 311.30.42.30.01.006 Full Set

The OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich is a highly sought-after watch featuring a sapphire crystal configuration, display caseback, and classic Moonwatch design.

  • Condition: Mint condition with hairline scratches on clasp and around the case
  • Band type: Original bracelet, nylon strap
Posted at
Apr 22, 2026, 1:38 AM
Active
[WTS] 2021 Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Full set Excellent condition

2021 Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Full set Excellent condition

The Omega Speedmaster Professional Moonwatch is a historic watch that has been in high demand since the Artemis missions. It comes with its full set, including papers and cards.

  • Condition: Excellent condition
  • Papers: Full set of documents and booklets, including the legendary moonwatch booklet
Posted at
Apr 22, 2026, 12:13 AM
Active
[WTS] Omega Speedmaster “First Omega in Space” 39.7mm

Omega Speedmaster “First Omega in Space” 39.7mm

This Omega Speedmaster "First Omega in Space" is a historically significant variant that pays tribute to the first Omega ever worn in space by astronaut Wally Schirra on October 3rd, 1962. The watch features a symmetrical design with straight lugs and a black aluminium bezel with a tachymeter scale.

  • Condition: Excellent
  • Case size: 39.7mm diameter
  • Movement type: Manually wound
  • Water resistance depth: 50m
Posted at
Apr 21, 2026, 10:25 PM
Active