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

Reference 310.55.42.50.52.004

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

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 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA - 311.63.44.51.06.001 · $11,000
This Omega Speedmaster Dark Side of the Moon Sedna Gold Accent features a laser ablated matte grey dial, ceramic case, and black leather strap. It comes as a complete set with warranty and pictogram card.

  • Condition: Good
  • Case material: Ceramic
  • Diameter: 44mm
  • Strap type: Black leather with deployment clasp
Posted at
May 14, 2026, 7:08 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2285

Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2285

Omega - 3221.30.00 · $2,285
The Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 is a 40mm stainless steel watch with a thickness of around 15mm and water resistance up to 100m. It features a silver dial with chronograph registers, day, date, month, and GMT indications.

  • Condition: Great serviced condition
  • Case size: 40mm
  • Thickness: around 15mm
  • Water resistance: 100m
Posted at
May 13, 2026, 11:47 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Date

Omega Speedmaster Date

Omega - 3212.80 · $1,999
A beautiful blue Omega Speedy Date in overall good condition.

  • Condition: Good condition with normal wear on the case and bracelet, scratches on the aluminum bezel.
  • Movement: Cal 1164
  • Size: 40mm diameter
Posted at
May 13, 2026, 10:04 PM
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[WTS] Two Tone Omega Speedmaster Moonphase 🍫

Two Tone Omega Speedmaster Moonphase 🍫

Omega - 304.23.44.52.13.001 · $8,500
A chocolate Omega Speedy Moonphase two tone (steel & Sedna gold) is up for sale, featuring a Cal 9904 movement and coming on its original strap. The watch is in overall very good condition.

  • Condition: very good condition with some normal wear
  • Movement: Cal 9904
  • Size: 44mm diameter
Posted at
May 13, 2026, 10:00 PM
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[WTS] Omega Speedmaster Reduced “Schumacher” Red Dial - $2595 shipped! 🔥

Omega Speedmaster Reduced “Schumacher” Red Dial - $2595 shipped! 🔥

Omega - 3510.60 · $2,595
This Omega Speedmaster Reduced 'Schumacher' Red Dial watch features a red dial and comes with all chronograph functions operating perfectly.

  • Condition: very good overall condition
  • Original strap included: true
  • Strap condition: excellent
Posted at
May 13, 2026, 9:44 PM
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[WTS] 2025 Omega Speedmaster “First Omega in Space” FOIS – 39.7mm – Grey-Blue Dial – Leather Strap – Ref. 310.32.40.50.06.001 – Complete Set – $7,200 +🚢

2025 Omega Speedmaster “First Omega in Space” FOIS – 39.7mm – Grey-Blue Dial – Leather Strap – Ref. 310.32.40.50.06.001 – Complete Set – $7,200 +🚢

Omega - 310.32.40.50.06.001 · $7,200
The Omega Speedmaster “First Omega in Space” FOIS is a leather strap variant, designed to tribute the CK 2998, with a grey-blue CVD-coated dial and vintage Super-LumiNova indices. This reference honors Walter Schirra’s Speedmaster worn on the Mercury Sigma 7 mission in 1962.

  • Condition: Excellent
  • Case size: 39.7mm
  • Water resistance: 50m depth rating
  • Movement: Co-Axial Master Chronometer Cal. 3861, METAS certified, 15,000 gauss anti-magnetic
Posted at
May 13, 2026, 9:21 PM
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[WTS] 2025 OMEGA Speedmaster Moonwatch Professional White on Black Rubber Deployant 310.32.42.50.04.001 Full Set

2025 OMEGA Speedmaster Moonwatch Professional White on Black Rubber Deployant 310.32.42.50.04.001 Full Set

Omega - 310.32.42.50.04.001 · $7,399
A 2025 Omega Speedmaster Moonwatch Professional with a white lacquered dial, presented on a black rubber strap with a deployant buckle.

  • Condition: Pristine pre-owned condition, minor wear on case back and clasp
  • Case size: 42mm
  • Case thickness: 13.2mm
  • Movement: Manual-Winding Co-Axial Master Chronometer Calibre 3861 (METAS certified)
Posted at
May 13, 2026, 2:35 PM
Active
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[WTS] Omega Speedmaster - 311.92.44.51.01.007 (Dark Side of the Moon)

Omega Speedmaster - 311.92.44.51.01.007 (Dark Side of the Moon)

Omega - 311.92.44.51.01.007
The Dark Side of the Moon is a limited edition Omega Speedmaster reference 311.92.44.51.01.007.

  • Model name: Dark Side of the Moon
Posted at
May 13, 2026, 2:02 PM
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2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

Omega - 310.30.42.50.01.002 · $6,195
This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
View listing on RolexForums