Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet

Reference 310.55.42.50.52.002

Omega Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.002 is a legendary timepiece that combines stunning aesthetics with advanced horological technology. This manual-winding chronograph movement boasts exceptional precision and reliability, featuring a co-axial escapement and silicon balance spring. The watch's luxurious materials, including Canopus gold and gem-set bezel, add a sophisticated touch. With its water resistance of 50 meters, this watch is perfect for everyday adventures. The Speedmaster series is Omega's flagship line, known for its association with space exploration, making it a worthy investment for collectors and enthusiasts.
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Key Features

  • Omega caliber 3861 movement
  • Canopus gold case and bezel
  • Gem-set indexes and rainbow accents
  • Chronograph function with co-axial escapement
  • Silicon balance spring for exceptional reliability
  • Water resistance of 50 meters

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet
Reference
310.55.42.50.52.002
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 145.012-67 Vintage

Omega Speedmaster 145.012-67 Vintage

Omega - 145.012-67 · $7,650
A vintage Omega Speedmaster 145.012-67 in excellent condition with tritium lume and a fresh service. The dial has minor cosmetic issues but the watch keeps great time and functions properly.

  • Condition: Pre-owned, serviced
  • Lume type: Tritium
  • Bezel condition: Fresh, serviced Telemeter bezel
  • Additional bezel: Original DON bezel in rough faded shape
Posted at
May 19, 2026, 2:28 PM
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[WTS] Like New 2026 Omega Speedmaster Professional Reverse Panda 310.30.42.50.01.004

Like New 2026 Omega Speedmaster Professional Reverse Panda 310.30.42.50.01.004

Omega - 310.30.42.50.01.004
  • Water resistance: 100m
Posted at
May 19, 2026, 1:41 PM
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[WTS] Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Black Enamel Dial

Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Black Enamel Dial

Omega - 50th Anniversary Limited Edition No. 927/1957 · $9,800
A highly collectible tribute to the original 1957 Speedmaster featuring a stunning black enamel dial and produced in strictly limited numbers. This example presents very well overall, with honest handling marks consistent with careful wear.

  • Condition: Very good overall condition
  • Case size: 42mm diameter
  • Dial material: black enamel
  • Movement type: manual-wind chronograph
Posted at
May 19, 2026, 1:37 PM
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[WTS] Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!

Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!

Omega - 145.012-67 SP · $17,000
A Pre-Moon Omega Speedmaster Professional in its final and most desirable form, featuring the legendary Caliber 321 column-wheel movement and a full set with original papers.

  • Condition: Pre-owned, with signs of wear consistent with age
  • Movement: Caliber 321 (Serial 26.xxx.xxx)
  • Case size: 42mm diameter
  • Case manufacturer: Huguenin Frères (HF)
Posted at
May 19, 2026, 1:18 PM
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[WTS] Happy Speedy Tuesday! Price Drop – Omega Speedmaster Professional 3861 Sapphire (2022) in Excellent Condition – Full Set – Original Clasp + Micro-adjust Clasp – $6425 + shipping obo

Happy Speedy Tuesday! Price Drop – Omega Speedmaster Professional 3861 Sapphire (2022) in Excellent Condition – Full Set – Original Clasp + Micro-adjust Clasp – $6425 + shipping obo

Omega - 3861 Sapphire · $6,425
A classic Omega Speedmaster Professional Moonwatch from 2022, featuring a Co-Axial Master Chronometer movement and sapphire crystal front and back. It's in excellent condition with very light wear from normal use.

  • Condition: Excellent
  • Box: outer & inner box included
  • Warranty: 2022 warranty card included
  • Movement: Co-Axial Master Chronometer movement
Posted at
May 19, 2026, 12:41 PM
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[WTS] Happy Speedy Tuesday! Price Drop – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2975 + shipping OBO

Happy Speedy Tuesday! Price Drop – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2975 + shipping OBO

Omega - 3510.61 · $2,975
A unique Omega Speedmaster Reduced 'Red Schumacher' variant with a bright red dial, original bracelet, and late 90s / early 2000s styling.

  • Condition: Very nice condition for its age with normal light wear consistent with use
  • Bracelet fit: ~6.75 inch wrist depending on preferred fit
  • Bezel error: +4 to +8 s/day
  • Amplitude: 275-299
Posted at
May 19, 2026, 12:38 PM
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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
For sale is a beautiful Omega Speedmaster Reduced 3510.50 in really mint condition from 1998, featuring a matte black dial with crisp white inscriptions and a handset.

  • Condition: Mint
  • Case size: 39mm diameter
  • Material: stainless steel
  • Movement: automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)
Posted at
May 19, 2026, 9:03 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 · $7,450
This Omega Speedmaster First Omega in Space - FOiS is a watch that comes with a full set of accessories including box, manuals, microfiber cloth, and warranty card.

  • Condition: Fantastic condition with few hairlines on case, clasp, and bracelet
  • Water Resistance: 30m
Posted at
May 19, 2026, 6:48 AM
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[WTS] Omega Speedmaster 44.25 Ceramic White Side Of The Moon 311.93.44.51.04.002 Watch

Omega Speedmaster 44.25 Ceramic White Side Of The Moon 311.93.44.51.04.002 Watch

Omega - 311.93.44.51.04.002 · $7,325
A Omega Speedmaster Dark Side of the Moon 'White Side of the Moon' watch featuring a white ceramic case, bezel, and dial.

  • Condition: Very nice preowned condition with no signs of wear or scratches on the ceramic.
  • Case material: white ceramic
  • Case dimensions: 44.25mm diameter
  • Band material: white alligator strap with titanium deployant clasp
Posted at
May 18, 2026, 5:20 PM
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