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.
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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] Omega Speedmaster Professional Sapphire Sandwich 310.30.42.50.01.002

Omega Speedmaster Professional Sapphire Sandwich 310.30.42.50.01.002

This Omega Speedmaster Professional has the latest version of the 3861 movement, featuring hacking and Omegas Co-Axial escapement. It comes in excellent condition with a full kit and warranty.

  • Condition: Excellent to near like new
  • Movement: 3861 (hacking)
  • Escapement: Co-Axial
  • Warranty status: stamped Spring of last year
Posted at
Jan 7, 2026, 5:54 PM
Active
[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

This Omega Speedmaster Chronoscope features a white panda dial in a 43mm case.

  • Condition: Fantastic with minor hairlines
  • Case Size: 43mm diameter
  • Included Accessories: box (inner & outer), user manual, microfiber cloth, card holder & triple cards
Posted at
Jan 7, 2026, 8:17 AM
Active
[WTS] Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 - 🔥$7️⃣4️⃣5️⃣0️⃣🔥

Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 - 🔥$7️⃣4️⃣5️⃣0️⃣🔥

A 2025 Omega Speedmaster Professional White Dial with a highly desirable white lacquer dial in excellent condition.

  • Condition: 9.5/10, excellent condition with minimal handling marks on the bracelet and clasp
  • Year: 2025
  • Movement: Omega Cal. 3861 (Master Chronometer)
  • Warranty expiration year: 2030
Posted at
Jan 6, 2026, 11:02 PM
Active
[WTS] 2024 Omega Speedmaster Grey Side of The Moon Meteorite 311.63.44.51.99.001 Full Set

2024 Omega Speedmaster Grey Side of The Moon Meteorite 311.63.44.51.99.001 Full Set

A 2024 Omega Speedmaster Grey Side of The Moon Meteorite watch featuring a grey ceramic case, 18K Sedna gold bezel, and meteorite dial. It has an automatic mechanical movement, comes on an original black nylon strap, and includes a full set of accessories.

  • Condition: Excellent pre-owned condition
  • Case material: Grey Ceramic
  • Case dimensions: 44.25mm diameter
  • Bezel material: 18K Sedna Gold
Posted at
Jan 6, 2026, 8:55 PM
Active
[WTS] Omega Speedmaster Day Date Watch 3222.80 Serviced

Omega Speedmaster Day Date Watch 3222.80 Serviced

Omega - 3222.80 · $3,500
This is a sporty and versatile Speedmaster with blue dial and automatic chronograph movement.

  • Condition: Very good, with factory serviced movement
  • Size: 40mm diameter
  • Dial color: blue
Posted at
Jan 6, 2026, 7:30 PM
Active
[wts] Omega Speedmaster Broad Arrow Re-Issue 3594.50 + 2024 Service

Omega Speedmaster Broad Arrow Re-Issue 3594.50 + 2024 Service

Omega - 3594.50 · $3,900
For sale is an Omega Speedmaster in very mint condition, fully complete set as shown including all box, books, links, and Omega warranty card.

  • Condition: Very mint condition
  • Service Date: 2024
Posted at
Jan 6, 2026, 5:45 PM
Active
[WTS] Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!

Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!

Omega - 175.0033 · $2,850
The Omega Speedmaster Reduced is a white dial version, in great vintage condition with light hairlines on the bezel and case.

  • Condition: Great vintage condition, light hairlines on bezel and case
  • Case Size: 39mm diameter
  • Band Material: Leather AM strap from Casanova
  • Service History: No service history
Posted at
Jan 6, 2026, 2:06 PM
Active
[WTS] Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 -$7500 + shipping

Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 -$7500 + shipping

A modern Omega Speedmaster Professional with a highly sought-after white lacquer dial, featuring iconic Moonwatch heritage paired with a crisp, contemporary dial that wears incredibly well.

  • Condition: 9.5/10, nearly new with faint micro scratches on the bracelet and clasp
  • Dial color: white
  • Movement: Omega Co-Axial Master Chronometer Cal. 3861
Posted at
Jan 5, 2026, 11:28 PM
Active
[WTS] Omega Speedmaster Gray Side The Moon Meteorite Dial Ref 311.63.44.51.99.001

Omega Speedmaster Gray Side The Moon Meteorite Dial Ref 311.63.44.51.99.001

Omega - 311.63.44.51.99.001 · $12,999
This Omega Speedmaster features a unique gray meteorite dial, set in a 44.25mm grey ceramic case.

  • Condition: Mint with minimal no visible scratches on case, band is slightly worn
  • Case Material: Grey Ceramic
  • Bezel Material: 18K Sedna gold
  • Dial: Grey Meteorite
Posted at
Jan 5, 2026, 11:19 PM
Active