Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

Reference 310.55.42.50.52.004

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.004 is a masterpiece of luxury watchmaking, marrying cutting-edge technology with exquisite craftsmanship. This modern iteration of the iconic 'Moonwatch' pays homage to its rich history while incorporating contemporary advancements. The Canopus Gold case features a sunburst finish and gem-set bezel, radiating elegance and opulence. The manual-winding chronograph movement boasts 50 hours of power reserve and resistance to magnetic fields up to 15,000 gauss. With its robust features, stunning design, and historical significance, this timepiece is a worthy investment for serious collectors and space enthusiasts. Its impeccable performance and timeless appeal make it a statement piece that will remain a favorite for years to come.
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Key Features

  • Manual-winding chronograph movement
  • Canopus Gold case with sunburst finish and gem-set bezel
  • Master Chronometer certification by METAS
  • Resistance to magnetic fields up to 15,000 gauss
  • 50 hours of power reserve
  • Co-Axial escapement and Silicon balance spring

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet
Reference
310.55.42.50.52.004
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 Reduced 39mm - Mother of Pearl Dial - Price Reduced ‼️

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

This Omega Speedmaster features a unique Mother of Pearl dial that stands out, and comes with a factory white strap and buckle.

  • Condition: decent condition
  • Case Material: unknown
  • Bezel Condition: light hairlines throughout
Posted at
Dec 21, 2025, 2:54 PM
Active
[WTS] Omega Speedmaster “Silver Snoopy Award” – Nylon Strap

Omega Speedmaster “Silver Snoopy Award” – Nylon Strap

Omega - 310.32.42.50.02.001 · $15,500
This Omega Speedmaster 'Silver Snoopy Award' features a silver dial with blue accents and a Snoopy subdial, set on a stainless steel case and paired with a blue nylon strap. It is powered by the manual wind Caliber 3861 movement.

  • Condition: New / Unworn
  • Material: Stainless Steel
  • Movement: Caliber 3861, Co-Axial Master Chronometer
  • Bracelet type: Blue Nylon Strap with Folding Clasp
Posted at
Dec 21, 2025, 2:25 PM
Active
[WTS] Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

This Omega Speedmaster Moonwatch Professional features a white gloss lacquer dial and is sold as a full set, including the Omega box and warranty card.

  • Condition: Great condition
  • Box And Papers: Full set
  • Warranty Card Date: Late 2024
Posted at
Dec 21, 2025, 12:05 PM
Active
[WTS]🔥Omega Speedmaster 42MM "Silver Snoopy Award"- Ref 310.32.42.50.02.001 (NEW / UNWORN : DEC 2025 COMPLETE SET)🔥

🔥Omega Speedmaster 42MM "Silver Snoopy Award"- Ref 310.32.42.50.02.001 (NEW / UNWORN : DEC 2025 COMPLETE SET)🔥

Omega - 310.32.42.50.02.001 · $15,599
This Omega Speedmaster 42MM is a 'Silver Snoopy Award' model, featuring a beautiful white dial and a stainless case.

  • Condition: Brand New/Unworn
  • Case Size: 42mm diameter
  • Dial Color: White
Posted at
Dec 21, 2025, 12:57 AM
Active
[WTS] Omega Speedmaster White Dial | 310.30.42.50.04.001 | 2024 - Mint | Complete Box & Papers 7,449 Shipped

Omega Speedmaster White Dial | 310.30.42.50.04.001 | 2024 - Mint | Complete Box & Papers 7,449 Shipped

This Omega Speedmaster Moonwatch features a crisp white step dial with black hands and markers, giving the classic design a fresh aesthetic. Powered by Omega's Co-Axial Master Chronometer Calibre 3861, this hand-wound movement is METAS-certified for industry-leading precision.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Movement: Co-Axial Master Chronometer Calibre 3861 (hand-wound)
  • Certification: METAS-certified
Posted at
Dec 20, 2025, 10:11 PM
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[WTS] Omega Speedmaster ‘Sapphire Sandwich’ Moonwatch White, B+P 2025

Omega Speedmaster ‘Sapphire Sandwich’ Moonwatch White, B+P 2025

Omega - 31032425004001 · $6,900
This is a white Omega Speedmaster 'Sapphire Sandwich' Moonwatch, featuring a 42mm case size and Omega 3861 movement.

  • Condition: Very Good preowned condition with minor hairlines from light handling
  • Case size: 42mm
  • Movement: Omega 3861
  • Power reserve: 5 hours
Posted at
Dec 20, 2025, 9:16 PM
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[WTS] Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped

Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped

This Omega Speedmaster "First Omega in Space" (FOIS) model is a historically faithful modern reference that pays homage to the watch worn by astronaut Walter Schirra during the Mercury-Atlas 8 mission. It has a straight-lug case, symmetrical profile, and hesalite crystal.

  • Condition: Excellent / near-mint
  • Case diameter: 40mm
  • Crystal material: hesalite
  • Year purchased: 2024
Posted at
Dec 20, 2025, 9:13 PM
Active
[WTS] Omega Speedmaster Pro Moon Watch 3570.50 (Watch Only) $3800

Omega Speedmaster Pro Moon Watch 3570.50 (Watch Only) $3800

OMEGA - 3570.50 · $3,800
This Omega Speedmaster Pro Moon Watch is being sold in pre-owned condition, with some marks on the hesalite crystal and signs of wear throughout the case, bezel, and bracelet.

  • Condition: Pre-owned
  • Case Size: 42mm diameter
  • Wrist Size Fit: 7 1/4 inch
Posted at
Dec 20, 2025, 6:59 PM
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[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, presented in excellent condition.

  • Condition: Mint, like-new
  • Case material: Full ceramic
  • Year: 2019
Posted at
Dec 20, 2025, 6:57 PM
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