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 3861 Bracelet 020STZ013434](https://preview.redd.it/g6a6e432zmzg1.jpg?width=640&crop=smart&auto=webp&s=b4da6054c2f25599a7a4060e4431f7402fdaa6a6)
Omega Speedmaster 3861 Bracelet 020STZ013434
Up for sale is an authentic Omega Speedmaster 3861 Bracelet, which fits the 42mm modern and 1861 speedy's.
- Condition: like new, barely worn
- Lug width: 20mm
- Clasp width: 15mm
![[WTS] Omega Speedmaster Moon to Mars Special Edition](https://preview.redd.it/tdq2l2dz8mzg1.jpg?width=640&crop=smart&auto=webp&s=b6b3c8a86c090d985405844d578581d12a8b2edb)
Omega Speedmaster Moon to Mars Special Edition
The Omega Speedmaster Pro 'Moon to Mars' features a beautiful dial with subdials painted as Earth, Moon and Mars.
- Condition: good, with a scratch on the crystal at 1 o'clock
- Movement: 1861 Manual
- Size: 42mm diameter
- Bracelet size: fits about 7 inches
![[WTS] Omega Speedmaster Professional White 42MM - Ref 310.32.42.50.04.002 (NEW 2026 COMPLETE SET)](https://preview.redd.it/ke2uohvfblzg1.jpg?width=640&crop=smart&auto=webp&s=55489f0411f2808b0540476a4e4f166e8eadceb0)
Omega Speedmaster Professional White 42MM - Ref 310.32.42.50.04.002 (NEW 2026 COMPLETE SET)
A brand new Omega Speedmaster Professional White, reference number 310.32.42.50.04.002, comes with a complete set including the outer sleeve, box, cards, manuals, and more.
- Condition: New
- Case size: 42mm
- Warranty date: 04/16/2026
![[WTS] 2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn](https://preview.redd.it/l7cimwkeqkzg1.jpg?width=640&crop=smart&auto=webp&s=e7ec14c7d06fb08db4556d135261c4b06eee2d44)
2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn
This new Omega Speedmaster Reverse Panda is an unworn modern Speedmaster that comes with the full set, including a stainless steel bracelet and sapphire crystal.
- Condition: Like New
- Material: Stainless Steel
- Bracelet material: Stainless Steel
- Size: 42mm diameter
![[WTS] 2025 Omega Speedmaster Professional "Sapphire Sandwich" 310.30.42.50.01.002](https://preview.redd.it/4wfmqu8ubkzg1.jpg?width=640&crop=smart&auto=webp&s=bdb34959383541c4f40b7c6ae7b6055f02720f94)
2025 Omega Speedmaster Professional "Sapphire Sandwich" 310.30.42.50.01.002
A lightly worn Omega Speedmaster Professional with a Calibre 3861 movement, sapphire crystals, and an aluminum tachymeter bezel.
- Condition: lightly worn; excellent shape
- Movement: Calibre 3861
- Caseback: factory sealed, no modifications made
- Bracelet: OEM steel bracelet, fully linked and comfortable to wear
![[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )](https://preview.redd.it/h4qqtqd5rjzg1.jpg?width=640&crop=smart&auto=webp&s=3ca7cef4def41ba7d75b050f7497e3543925232e)
Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )
This is an Omega Speedmaster Moonwatch Professional Sapphire with a 42mm stainless steel case and 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement: 3861 Omega Master Chronometer Movement
![[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )](https://preview.redd.it/53yxcnmlpjzg1.jpg?width=640&crop=smart&auto=webp&s=b8f5d6d031c511a4367a36c6e5302e3353af1816)
Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )
This Omega Speedmaster Moonwatch Professional is a brand new watch with all original packaging and papers, featuring a stainless steel case and 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement type: Master Chronometer
![[WTS] Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)](https://preview.redd.it/vucbwctxcfzg1.jpg?width=640&crop=smart&auto=webp&s=b208fdfa8bfef910ee8d04308a6c9b8f27f87b57)
Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)
The Omega Speedmaster Milano Cortina 2026 features a varnished white dial with a frosted blue pattern, a stamped Olympic medallion caseback and is part of the full set with boxes, warranty card and other accessories.
- Condition: Like New
- Case size: 38mm diameter
- Thickness: 14.75mm
- Lug to lug length: 44.96mm
![[WTS] - 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800](https://preview.redd.it/tj2u90cf6fzg1.jpg?width=640&crop=smart&auto=webp&s=5c124939ee3c6833a9c01384fc54f876e35f22aa)
- 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800
This 1985 Omega Speedmaster Professional features a 42mm stainless steel case with a matte black tritium dial and black aluminum bezel insert. The watch has developed a beautiful patina over time, and the lume has aged to a cappuccino-like hue.
- Condition: Excellent, unpolished condition with light wear for its age
- Case size: 42mm
- Bracelet length: Up to 19.5 cm / 7.67"
- Crystal material: Hesalite