Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet
Reference 310.55.42.50.52.002
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 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
![[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥](https://preview.redd.it/b71qxpfslwog1.jpg?width=640&crop=smart&auto=webp&s=4dd26e9f80d35533b6b484c3f0b7af1c1c3e7358)
OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥
A faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk, featuring a stainless steel timepiece with a black ceramic bezel and column-wheel chronograph movement.
- Condition: UNWORN
- Movement: Calibre 321
- Diameter: 39.7mm
- Case material: stainless steel