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 Professional White Dial - $7200

Omega Speedmaster Professional White Dial - $7200

The Omega Speedmaster Professional features a beautiful white lacquered dial with red lettering and is powered by the 3861 movement.

  • Condition: 8.5/10
  • Movement: 3861
  • Crystal: sapphire
Posted at
Mar 22, 2026, 3:37 PM
Active
[WTS] Omega Speedmaster Sapphire 42mm 馃敟Preowned 2023, $6200+鉁堬笍馃敟

Omega Speedmaster Sapphire 42mm 馃敟Preowned 2023, $6200+鉁堬笍馃敟

Omega - 310.30.42.50.01.002 $6,200
This Omega Speedmaster Sapphire is a 2023 model, available in 42mm size.

  • Condition: Preowned
  • Shipping: Global shipping available, $85 fee for US States
  • Payment: Wire or credit card accepted (+4.9% surcharge)
  • Warranty: 2023 warranty card included
Posted at
Mar 22, 2026, 8:23 AM
Active
[WTS] 2023 Omega Speedmaster Moonwatch Professional Moonwatch Hesalite 310.30.42.50.01.001 Full Set + Extras

2023 Omega Speedmaster Moonwatch Professional Moonwatch Hesalite 310.30.42.50.01.001 Full Set + Extras

Omega - 310.30.42.50.01.001 $6,499
A 2023 Omega Speedmaster Moonwatch Professional Moonwatch Hesalite, featuring a great kit with $1000 worth of extras.

  • Condition: good preowned condition
  • Extras: $1000 worth of extra items including a black rubber strap with deployant clasp and a black fabric strap
  • Case Condition: some lights marks on the hesalite seen in certain lighting and some normal wear on the case
Posted at
Mar 22, 2026, 6:34 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch Hesalite 311.30.42.30.01.005

Omega Speedmaster Professional Moonwatch Hesalite 311.30.42.30.01.005

Omega - 311.30.42.30.01.005 $4,399
This is an Omega Speedmaster Professional Moonwatch with a Hesalite crystal and 42mm case size. It comes with box, papers, straps, and accessories.

  • Crystal: Hesalite
  • Bracelet length: 7.5 inches
Posted at
Mar 21, 2026, 7:29 PM
Active
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 馃敟$10,000馃敟

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 馃敟$10,000馃敟

OMEGA - 311.92.44.30.01.001 $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a skeletonized dial with laser-ablated lunar surface details.

  • Condition: UNWORN
  • Case material: black ceramic
  • Diameter: 44.25mm
Posted at
Mar 21, 2026, 7:12 PM
Active
[WTS] Omega Speedmaster 3210.50 Black Dial $2,099

Omega Speedmaster 3210.50 Black Dial $2,099

Omega - 3210.50 $2,099
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty, classic look.

  • Condition: good pre-owned condition
  • Case Size: 40mm diameter
  • Lug To Lug: 45mm
  • Lug Width: 19mm
Posted at
Mar 21, 2026, 4:44 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

Omega - 145.022-69ST $8,500
a pre-owned Omega Speedmaster Professional Moonwatch with a white dial, complete set including box and warranty.

  • Box: yes, with original box
  • Papers: yes, including papers and warranty
  • Warranty: still under warranty
Posted at
Mar 21, 2026, 3:45 PM
Active
[WTS] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega - 311.93.44.51.99.001 $7,550
Up for sale is an Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm.

  • Condition: Great, with minor chip on edge of case back
  • Case size: 44mm diameter
  • Clasp material: titanium ceramic
Posted at
Mar 21, 2026, 11:58 AM
Active
[WTS] Omega Speedmaster Date 3513.50 $1,800

Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 $1,800
The Omega Speedmaster Date 3513.50 features a deep sunburst textured black dial with a classic polished bezel, powered by the Omega 1152, Valjoux 7750 date automatic chronograph.

  • Condition: Preowned - Good
  • Case Diameter: 39mm
Posted at
Mar 21, 2026, 9:51 AM
Active