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 Reduced 39mm Ref. 175.0032 Cal 1140 TRITIUM PATINA](https://preview.redd.it/tm1rg7cqb5pg1.jpg?width=640&crop=smart&auto=webp&s=5e31392ad285cb984eb71a0bec113d1fff275a16)
Omega Speedmaster Reduced 39mm Ref. 175.0032 Cal 1140 TRITIUM PATINA
This Omega Speedmaster Reduced features a beautiful tritium patina on its dial, giving it an authentic vintage character.
- Condition: Honest signs of use consistent with its age, scratches on case and bracelet
- Movement: Omega Caliber 1140 Automatic (46 jewels)
- Case Size: 39mm
- Caseback: Solid Omega press on caseback
![[WTS] Omega Speedmaster Professional Moonwatch ref. 145.022 circa 1978](https://preview.redd.it/k4f8bqrkw3pg1.jpg?width=640&crop=smart&auto=webp&s=411bb5ec39e7ac3949152c1f0744f5c6d88fc481)
Omega Speedmaster Professional Moonwatch ref. 145.022 circa 1978
A circa 1978 Omega Speedmaster Professional Moonwatch ref. 145.022, featuring a Lemania based caliber 861 movement, in a classic 42mm case.
- Condition: Used, with wear and signs of polish
- Movement: Lemania based caliber 861
- Case size: 42mm diameter
- Lug width: 20mm
![[WTS] Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!](https://preview.redd.it/6582451eu2pg1.jpg?width=640&crop=smart&auto=webp&s=a6ba0ac3e194e66c4f4c164490accac9d9a91de0)
Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!
- Box: yes, with box and papers
- Warranty: still under warranty
- Dial: white dial
![[WTS] Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather](https://preview.redd.it/aw7hngitm2pg1.jpg?width=640&crop=smart&auto=webp&s=163c749d2a1ebb58c6d9b002e1783436232a0634)
Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather
A Omega Speedmaster Moonwatch Sapphire Sandwich sold as a full kit with both leather and bracelet included.
- Condition: Great condition, with some marks on the back of the lugs from strap changes
- Warranty: Joma shop warranty until Jan 2028
- Strap: Omega leather strap
- Bracelet Links: All links included
![[WTS] Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set](https://preview.redd.it/pnxhr1t3a1pg1.jpg?width=640&crop=smart&auto=webp&s=35ba8cf5f6fbc9f89f53cc5e55bc135858c31be8)
Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set
Up for sale is an Omega Speedmaster Moonwatch Professional - 42mm - Big Box - Full Set Watch functions perfectly mechanically, without issue.
- Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
- Case size: 42mm
- Bracelet condition: minor hairlines
![[WTS][US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001](https://preview.redd.it/1c9jnohf51pg1.jpg?width=640&crop=smart&auto=webp&s=0be9afa3c1cef54673adb3ab4739a80e781e2417)
[US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001
A Omega Speedmaster Grey Side Of The Moon, featuring a grey dial and 44mm size.
- Condition: great condition, small chip on edge of case back
- Case Size: 44mm diameter
![[WTS] Omega Speedmaster Professional 3861 Link - $50](https://preview.redd.it/7p24pl0ih0pg1.jpeg?auto=webp&s=22fbc34f138fc63286bbcc71f4043805a89700ed)
Omega Speedmaster Professional 3861 Link - $50
Sealed and unopened OEM genuine Omega Speedmaster 3861 Professional replacement link, pin, and collar set received directly from an Omega Boutique.
- Origin: directly from Omega Boutique
- Shipping: free to CONUS with PayPal Friends+Family
![[WTS] 2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered](https://preview.redd.it/soufh324bxog1.jpg?width=640&crop=smart&auto=webp&s=3f356a32037391eac9d722524b4c27b2b9aeaeb1)
2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered
A 2026 Omega Speedmaster Moonwatch Professional featuring a white dial, classic case, and black bezel, powered by the Master Chronometer Caliber 3861 manual-wind chronograph movement.
- Condition: Brand new / partially stickered with small nick near lower right lug
- Case size: 42mm
- Movement: Omega Caliber 3861, Master Chronometer
- Crystal: Sapphire
![[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! 🔥$10,000🔥](https://preview.redd.it/4fv7l32nnwog1.jpg?width=640&crop=smart&auto=webp&s=9e62195997be4447461d767af83d16cd21095340)
OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm masterpiece crafted from black ceramic, commemorating the 50th anniversary of the Apollo 8 mission.
- Condition: UNWORN
- Case material: black ceramic
- Diameter: 44.25mm
- Movement: Calibre 1869