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 Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)

Omega Speedmaster Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)

Omega - 3210.50.00 · $2,099
This Omega Speedmaster Date Chronometer features a classic black dial with tri-compax layout, applied markers, and tachymeter bezel, making it a great everyday Speedmaster.

  • Condition: Honest wear consistent with age
  • Calibre: Omega Cal. 1164 (ETA 7750 base)
  • Movement status: Running within spec
  • Bracelet condition: Solid with no major stretch
Posted at
Apr 23, 2026, 11:25 AM
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[WTS] 2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500
The Omega Speedmaster Sedna Gold elevates the iconic Moonwatch design with a rich black dial and contrasting subdials, powered by a Master Chronometer manual-wind movement.

  • Condition: Like new condition, small ding on bezel near 12 o'clock
  • Movement type: Master Chronometer manual-wind movement
  • Case dimensions: 42mm diameter, 47.5mm lug to lug, 13.2mm thick
Posted at
Apr 23, 2026, 9:09 AM
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[WTS] (Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

(Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

Omega - Speedmaster Moonwatch · $7,800
This Omega Speedmaster Moonwatch features a white dial, and comes with its full set of accessories, including boxes, papers, warranty card, pictogram card, Master Chronometer card, and extra links.

  • Condition: Overall mint condition
  • Set included: 2025 full set
  • Extra links: 1
Posted at
Apr 23, 2026, 12:06 AM
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[WTS] 🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

Omega - 304.30.44.52.01.001 · $11,750
The Omega Speedmaster Moonphase is a brand new, full set model from 2026.

  • Condition: Brand New
  • Msrp: 13000
  • Shipping: fully insured to nearest FedEx Office for signature pickup
Posted at
Apr 22, 2026, 10:30 PM
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[WTS] OMEGA SPEEDMASTER DATE 3513.50 WITH PAPERS

OMEGA SPEEDMASTER DATE 3513.50 WITH PAPERS

Omega - 3513.50 · $1,750
A lightly worn Omega Speedmaster Date with a dated card, extra link, and no box.

  • Condition: lightly worn
  • Diameter: 40mm
Posted at
Apr 22, 2026, 8:47 PM
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[WTS] 2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set

2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set

Omega - 310.30.42.50.01.001 · $6,050
2026 Omega Speedmaster Moonwatch Professional, a stainless steel manual wind watch with black dial and hesalite crystal.

  • Condition: Excellent preowned condition with some light scratches.
  • Case dimensions: 42mm
  • Movement type: Manual Wind, Mechanical
Posted at
Apr 22, 2026, 7:54 PM
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[wts] 2023 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002 $6499

2023 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002 $6499

OMEGA - 310.30.42.50.01.002 · $6,499
2023 OMEGA SPEEDMASTER PROFESSIONAL with manual wind movement and sapphire crystal. Features a 42mm case size and 50 hour power reserve.

  • Condition: Pre owned, cosmetic condition 9/10
  • Case size: 42mm diameter
  • Bracelet: tapered stainless steel with micro adjustments
  • Movement: manual wind 3861
Posted at
Apr 22, 2026, 7:15 PM
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[WTS] 2021 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002

2021 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002

OMEGA - 310.30.42.50.01.002 · $5,799
2021 OMEGA SPEEDMASTER PROFESSIONAL features a manual wind movement, 50 hour power reserve, and 42mm case size. It also comes with a sapphire crystal and 50 meters water resistance.

  • Condition: Pre owned, cosmetic condition 7/10
  • Case size: 42mm diameter
  • Bracelet material: tapered stainless steel
  • Movement: manual wind 3861
Posted at
Apr 22, 2026, 6:32 PM
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[WTS] Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set

Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set

Omega - 310.30.42.50.01.002 · $6,000
This Omega Speedmaster Professional, also known as the Sapphire Sandwich, is a manual-wind watch with a Master Chronometer movement and features a stunning Caliber 3861 movement visible through an exhibition caseback.

  • Condition: pristine
  • Purchase Price: 9000
  • Dimensions: 42mm diameter, 20mm lug width
  • Bracelet Type: tapered
Posted at
Apr 22, 2026, 3:53 PM
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