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] 2026 New White Omega Speedmaster, $8k

2026 New White Omega Speedmaster, $8k

Omega - Speedmaster · $8,000
2026 New White Omega Speedmaster for sale. Additional details can be found at the provided Imgur link.

  • Year: 2026
  • Color: white
Posted at
May 12, 2026, 5:21 PM
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[WTS] Omega Speedmaster Darkside of the Moon 311.92.44.51.01.005

Omega Speedmaster Darkside of the Moon 311.92.44.51.01.005

Omega - 311.92.44.51.01.005 · $6,995
For sale is a Omega Speedmaster Dark Side of the Moon, which comes in pristine condition as shown in the pics.

  • Condition: mint condition
  • Box and papers: included
  • Cards: none available
Posted at
May 12, 2026, 4:36 PM
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[WTS] Omega Speedmaster Date 3511.80.00 – Metallic Blue Dial 39mm – Fresh Service – $1,999 Shipped

Omega Speedmaster Date 3511.80.00 – Metallic Blue Dial 39mm – Fresh Service – $1,999 Shipped

Omega - 3513.82.00 · $1,999
This Omega Speedmaster Date features a striking metallic blue sunburst dial and a sportier take on the traditional Moonwatch aesthetic.

  • Condition: Very good, honest signs of wear consistent with age
  • Case size (excluding crown): 39mm
  • Lug-to-lug: 45mm
  • Thickness: 14mm
Posted at
May 12, 2026, 1:40 PM
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[WTS] Omega Speedmaster Triple Date 3523.30.00 Silver Dial 39mm – $2,299 Shipped

Omega Speedmaster Triple Date 3523.30.00 Silver Dial 39mm – $2,299 Shipped

Omega - 3523.30.00 · $2,299
This Omega Speedmaster Triple Date ref. 3523.30.00 combines classic Speedmaster DNA with a practical full calendar layout featuring day, date, month, chronograph, and 24-hour indicator in a compact case.

  • Condition: Very attractive condition
  • Case Size: 39mm (excluding crown)
  • Lug To Lug: 44mm
  • Thickness: 14mm
Posted at
May 12, 2026, 1:04 PM
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[WTS] Omega Speedmaster Marui Panda 3510.21.00 – Full Set – Fresh Service – JDM Limited Edition of 2000pcs – $5,799 Shipped

Omega Speedmaster Marui Panda 3510.21.00 – Full Set – Fresh Service – JDM Limited Edition of 2000pcs – $5,799 Shipped

Omega - 3510.21.00 · $5,799
This Omega Speedmaster Marui Panda is a highly collectible JDM limited edition with a unique white 'Panda' dial and deep black subdials. It features a 39mm case size, lug-to-lug measurement of 44mm, thickness of 12mm, and lug width of 18mm.

  • Condition: Very attractive condition, strong lines and honest signs of careful wear throughout
  • Movement: Omega Cal. 3220 automatic chronograph
  • Case size: 39mm (excluding crown)
  • Lug-to-lug: 44mm
Posted at
May 12, 2026, 12:19 PM
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[WTS] Collection Sell Off: OMEGA Speedmaster, WISE ADX GMT, Grand Seiko EVO9 Atera Valley, Seiko Speedtimer, CASIO G-Shock MRG

Collection Sell Off: OMEGA Speedmaster, WISE ADX GMT, Grand Seiko EVO9 Atera Valley, Seiko Speedtimer, CASIO G-Shock MRG

The seller is listing an OMEGA Speedmaster 3861 Sapphire Sandwich watch, which is in very good condition and running beautifully. It comes with a Forstner Bullet Bracelet.

Posted at
May 12, 2026, 12:15 PM
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[WTS] Omega Speedmaster 3802.71.53 Automatic Chrnograph White MOP Dial | 2090$

Omega Speedmaster 3802.71.53 Automatic Chrnograph White MOP Dial | 2090$

Omega - 3802.71.53 · $2,090
This Omega Speedmaster features a white mother-of-pearl dial with numeral hour markers, combining sporty and elegant looks.

  • Condition: Good Condition
  • Case Size: 38mm diameter
  • Lug Width: 18mm
  • Movement Type: Chrnograph
Posted at
May 12, 2026, 11:06 AM
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[WTS] Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega - 3510.50 · $3,200
A beautiful Omega Speedmaster Reduced from 1998 in stainless steel, featuring a specific Speedmaster case with twisted lugs and a matte black dial with Luminova.

  • Condition: Mint
  • Case size: 39mm diameter
  • Movement: automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)
  • Bracelet: Omega 1469 with sold 813 end links
Posted at
May 12, 2026, 8:59 AM
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[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

Omega - 310.30.40.50.06.001 · $7,475
Up for sale is an Omega Speedmaster First Omega in Space - FOiS - Full Set, Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with few hairlines on case, clasp, and bracelet
  • Case condition: few hairlines
  • Bracelet condition: few hairlines
Posted at
May 12, 2026, 7:02 AM
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