Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Sapphire / Silver - Sapphire / Bracelet

Reference 310.55.42.50.52.003

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Canopus Gold is a masterpiece of luxury watchmaking, blending historical significance with cutting-edge technology. This stunning timepiece features a 42mm white gold case, set with gemstones and adorned with a sunburst finish on the dial. The manual-winding chronograph movement is crafted in-house by Omega's skilled artisans, boasting a co-axial escapement and silicon balance spring for exceptional accuracy and resistance to magnetic fields. With its Master Chronometer certification from METAS, this watch meets the highest standards of precision and reliability. The Speedmaster Professional Moonwatch 3861 Canopus Gold is more than just a timepiece - it's a work of art that exudes sophistication and refinement.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • 42mm white gold case with gem-set bezel
  • Manual-winding chronograph movement with co-axial escapement
  • Silicon balance spring for resistance to magnetic fields
  • Master Chronometer certification from METAS
  • Sapphire crystal with 50m water resistance
  • Stunning sunburst finish on the dial
  • Gem-set indexes and stick hands

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Sapphire / Silver - Sapphire / Bracelet
Reference
310.55.42.50.52.003
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] 2024 Speedmaster -First Omega in Space - 310.30.40.50.06.001 - full kit - factory warranty - very good condition

2024 Speedmaster -First Omega in Space - 310.30.40.50.06.001 - full kit - factory warranty - very good condition

This is a 2024 Speedmaster, the first Omega in space.

  • Condition: very good condition
  • Warranty: factory warranty
Posted at
Dec 11, 2025, 1:00 PM
Active
[WTS] 2024 Omega Speedmaster Moonphase 🌙 - Box and Papers

2024 Omega Speedmaster Moonphase 🌙 - Box and Papers

2024 Omega Speedmaster Moonphase with a 44.25mm stainless steel case, blue sun-brushed dial and ceramic bezel.

  • Condition: Really nice used condition with a few very light marks and minor wear on the box
  • Case size: 44.25mm diameter
  • Movement: 9904
  • Power reserve: 60 hours
Posted at
Dec 11, 2025, 8:17 AM
Active
[WTS] Omega Speedmaster Professional 42mm 310.30.42.50.01.001 | 2024 Complete Set w/ Extra Straps

Omega Speedmaster Professional 42mm 310.30.42.50.01.001 | 2024 Complete Set w/ Extra Straps

This Omega Speedmaster Professional is a 2024 model featuring a 42mm Hesalite crystal. It comes in a complete set with extra straps.

  • Condition: Fair Pre-Owned Condition with Micro-Scratches on Crystal and wear present on clasp, bracelet, and polished parts of case
  • Case Size: 42mm diameter
  • Movement: Master Chronometer
Posted at
Dec 10, 2025, 10:56 PM
Active
[WTS] Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Price Reduced!

Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Price Reduced!

This Omega Speedmaster CK2998 Limited Edition 'Blue Panda' is a striking modern take on the classic model, featuring a 40mm stainless steel case and opaline silver dial with blue subdials. It's powered by the manual winding OMEGA calibre 1861 and comes in a complete set with various accessories.

  • Condition: Excellent, barely worn
  • Case size: 40mm
  • Movement type: Manual winding
Posted at
Dec 10, 2025, 7:21 PM
Active
[WTS] Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,899 Shipped

Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,899 Shipped

Up for sale is an Omega Speedmaster “First Omega in Space” (FOIS) — Ref. 310.30.40.50.06.001, purchased in 2024. This model pays homage to the Speedmaster worn by astronaut Walter Schirra during the Mercury-Atlas 8 mission and remains one of the most historically faithful modern Speedmaster references.

  • Condition: Excellent/near-mint
  • Year Bought: 2024
  • Original Msrp: 8900
  • Includes: Complete Omega Inner & Outer Box, Warranty Card, Pictogram Card, Master Chronometer Card, Omega Travel Case, Cleaning Cloth, Instruction Booklets, Hang Tag
Posted at
Dec 10, 2025, 7:20 PM
Active
[WTS] Omega Speedmaster Reduced 39mm - Mother of Pearl Dial - Price Reduced ‼️

Omega Speedmaster Reduced 39mm - Mother of Pearl Dial - Price Reduced ‼️

A super rare and unique Omega Speedmaster with a Mother of Pearl dial, available for sale today.

  • Condition: Decent condition, light scratching on case and hairlines on bezel
  • Case size: 39mm
  • Dial color: Mother of Pearl
Posted at
Dec 10, 2025, 6:39 PM
Active
[WTS] 2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 Full Set

2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 Full Set

This is a brand new 2024 Omega Speedmaster Moonwatch Professional White Dial with excellent condition and under warranty.

  • Condition: Excellent, minimal signs of wear
  • Case Material: Stainless Steel
  • Bracelet Length: Full links
Posted at
Dec 10, 2025, 2:51 PM
Active
[WTS] Omega Speedmaster Moonwatch Sapphire Sandwich Full Set - 310.30.42.50.01.002

Omega Speedmaster Moonwatch Sapphire Sandwich Full Set - 310.30.42.50.01.002

A Speedmaster Moonwatch from Omega's personal collection, upgraded to a Rolex Explorer.

  • Condition: Very nice preowned condition
  • Case material: Stainless Steel
  • Case dimensions: 42mm diameter
  • Bezel: Black Bezel Stainless Steel
Posted at
Dec 10, 2025, 11:42 AM
Active
[WTS] Omega Speedmaster Moonwatch 310.304.25.001.002 ♦️Like New 2022♦️

Omega Speedmaster Moonwatch 310.304.25.001.002 ♦️Like New 2022♦️

A Omega Speedmaster Moonwatch from 2022, sold with a full set including box and papers.

  • Condition: Like New
  • Year: 2022
  • Set included: Full set (box & papers)
  • Payment methods: Bank Wire / Credit card (+4.9%) / Crypto
Posted at
Dec 10, 2025, 9:30 AM
Active