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 Broad Arrow 3594.50

Omega Speedmaster Broad Arrow 3594.50

Omega - 3594.50 · $3,250
The Omega Speedmaster Broad Arrow features a legendary hand-wound Moonwatch design, iconic black dial, and broad-arrow hands.

  • Condition: Pre-owned, excellent condition with minor marks on the hesalite crystal
  • Wrist size compatibility: 7-inch wrist
Posted at
Dec 12, 2025, 10:34 AM
Active
[WTS] Omega Speedmaster Moonphase

Omega Speedmaster Moonphase

This Omega Speedmaster Moonphase is a new piece purchased by the original buyer in December 2023 and overhauled at an Omega service center in November 2024.

  • Condition: Excellent, fully overhauled
  • Case diameter: 44mm
  • Bracelet condition: Scratches (light polish needed)
  • Included items: box, papers, original receipt, sailcloth strap from Artem
Posted at
Dec 11, 2025, 8:15 PM
Active
[WTS] Omega Speedmaster Moonwatch Green Dial Sedna Gold 310.60.42.50.10.001

Omega Speedmaster Moonwatch Green Dial Sedna Gold 310.60.42.50.10.001

Omega - 310.60.42.50.10.001 · $33,000
The Omega Speedmaster Moonwatch features a 42mm case in Sedna gold with a sun-brushed green dial and gold hands & indexes.

  • Condition: Excellent, barely worn
  • Case size: 42mm diameter
  • Bracelet material: Sedna gold
  • Water resistance: null
Posted at
Dec 11, 2025, 4:40 PM
Active
[WTS] Omega Speedmaster Moonwatch Two-Tone Sedna Gold 310.20.42.50.99.001

Omega Speedmaster Moonwatch Two-Tone Sedna Gold 310.20.42.50.99.001

No description provided in the title or additional details.

  • Case material: Two-Tone Sedna Gold
Posted at
Dec 11, 2025, 4:27 PM
Active
[WTS] Omega Speedmaster Day Date Panda 323.30.40.40.04.001 40mm

Omega Speedmaster Day Date Panda 323.30.40.40.04.001 40mm

A vintage-inspired Omega Speedmaster Day Date Panda watch, featuring a 40mm case size.

  • Bracelet length: 7.5 inches
Posted at
Dec 11, 2025, 3:08 PM
Active
[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