Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver
Reference 310.20.42.50.02.001
About this watch
The Omega Speedmaster Professional Moonwatch 310.20.42.50.02.001 is a stunning blend of classic design and cutting-edge technology, featuring a stainless steel case, Moonshine gold accents, and sophisticated chronograph functionality. At the heart of this timepiece is the Omega caliber 3861 movement, certified as a Master Chronometer by METAS and boasting advanced features like a co-axial escapement, silicon balance spring, and magnetic resistance of up to 15,000 gauss. The Speedmaster's ergonomic design ensures it sits comfortably on the wrist, while its 50-meter water resistance makes it practical for daily wear. This watch is incredibly versatile, adapting effortlessly from formal events to casual days out, and its durability is ensured by top-notch materials like ceramic, stainless steel, and Moonshine gold. With a price point that reflects its quality and heritage, the Omega Speedmaster Professional Moonwatch 3861 is an investment in horological history.
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Key Features
- Omega caliber 3861 movement with co-axial escapement and silicon balance spring
- 50-meter water resistance for everyday wear
- Chronograph functionality with precise timing and intuitive layout
- Moonshine gold accents and stainless steel case for luxurious appearance
- Sapphire glass for scratch-resistance and durability
- Master Chronometer certification by METAS for high accuracy and reliability
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver
- Reference
- 310.20.42.50.02.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- 42mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] 2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers!](https://preview.redd.it/pw0l9p1kbshg1.jpg?width=640&crop=smart&auto=webp&s=2bb7f8beffb9e01f6ba057dc82871f37a37174c3)
2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers!
This is a 2019 Omega Speedmaster 'First Omega in Space' (FOIS) model, featuring a classic straight-lug case and vintage-inspired design. It's one of the favorite speedmasters among collectors due to its sharp look that fits any occasion.
- Condition: pre-owned, fantastic with very minimal wear
- Case size: 39.7mm diameter
- Edition: Numbered Edition
![[WTS] Omega Speedmaster Chronoscope, Silver dial with Blue accents.](https://preview.redd.it/5w27zloe1shg1.jpg?width=640&crop=smart&auto=webp&s=cb16d85ac6fc33154817acedf3ce94be24aaf198)
Omega Speedmaster Chronoscope, Silver dial with Blue accents.
This Omega Speedmaster Chronoscope features a silver dial with blue accents and has been owned by the seller who wore it for travels. It comes with all its original accessories, including a box and papers.
- Condition: Pre-owned with minor scratches and hairline due to wear
- Purchase location: Omega SG Boutique
- Year of purchase: 2021
- Original strap included: Yes
![[WTS] Omega "Silver Snoopy" Speedmaster 2025](https://preview.redd.it/6mgicogjhrhg1.jpg?width=640&crop=smart&auto=webp&s=026dd6fbd0198b8afe9ff4a55cf68ecd64e5534a)
Omega "Silver Snoopy" Speedmaster 2025
A coveted collector piece commemorating NASA's Silver Snoopy Award, featuring a highly detailed caseback animation of Snoopy in orbit.
- Condition: Brand new, unworn
- Case size: 42mm diameter
- Case material: stainless steel
- Dial color: silver with blue subdials
![[WTS] Omega Speedmaster ’57 40.5mm Red Co-Axial Chronograph BOXES/PAPERS!](https://preview.redd.it/00etsb65iqhg1.jpg?width=640&crop=smart&auto=webp&s=d1b50c44d562dcb6c64fb4c562a803a1f27cd5e5)
Omega Speedmaster ’57 40.5mm Red Co-Axial Chronograph BOXES/PAPERS!
A red dial Omega Speedmaster '57 chronograph, 40.5mm in size, powered by a manual movement.
- Condition: pre-owned, nice condition with typical cosmetic wear throughout
- Case Diameter: 40.5mm
- Movement: manual
- Water Proofness: 50 meters depth rating
![OMEGA speedmaster marui limited model 3510.21.00 automatic [WTS]](https://preview.redd.it/869o0xx1bqhg1.jpg?width=640&crop=smart&auto=webp&s=7b19fc50ab4da404b098887a6ca1e03b9ed3247b)
OMEGA speedmaster marui limited model 3510.21.00 automatic
The watch being listed is an Omega Speedmaster Marui Limited Model 3510.21.00 automatic.
![[WTS] Omega Speedmaster Reference 311.30.42.30.01.005](https://external-preview.redd.it/dHZ6Nmc3YTQwcWhnMXqGATwurfwqbJBOmRsGE7caoEqzuQVvn_7fFhBDkCDC.png?format=pjpg&auto=webp&s=ccbca76a3b897b99acdf7e2a68f24093fcbb5b5f)
Omega Speedmaster Reference 311.30.42.30.01.005
This Omega Speedmaster professional is a beautiful watch from 2019, complete with everything and in perfect condition.
- Condition: perfect
- Movement: manual winding
- Size: 42mm diameter
- Year: 2019
![[WTS] Omega Speedmaster 3520.53 Box, Manual, Card - $2,850 - Reserved post for u/subengineer](https://preview.redd.it/3e9v8yf48nhg1.jpg?width=640&crop=smart&auto=webp&s=6501a9ad6573b7e0f20466b1611f7426a61cee15)
Omega Speedmaster 3520.53 Box, Manual, Card - $2,850 - Reserved post for u/subengineer
A Omega Speedmaster 3520.53 Full Kit is being sold in good condition with an automatic movement and a steel case.
- Condition: Good condition with some usage marks and minimal oxidation
- Case Size: 39mm diameter
- Water Resistance: Not specified
- Movement Type: Automatic
![[WTS] Omega Speedmaster Professional Moonwatch Steel Step Dial Yellow Patina 1969 (Serviced)](https://preview.redd.it/mz4molkphlhg1.jpg?width=640&crop=smart&auto=webp&s=9ee8cb728d4d3ca133aca2b648d6fd5cfe13b246)
Omega Speedmaster Professional Moonwatch Steel Step Dial Yellow Patina 1969 (Serviced)
This Omega Speedmaster Moonwatch ref. 145.022-69 is presented in all-original configuration and features a step dial with pronounced patina across all indices.
- Condition: Very nice overall condition, with honest wear consistent with age
- Size: 42mm diameter
- Year: 1969
- Movement Status: Professionally serviced in January 2026
![[wts] 2024 OMEGA SPEEDMASTER WHITE DIAL
310.30.42.50.04.001 $7399](https://preview.redd.it/flmpsh6h9lhg1.jpg?width=640&crop=smart&auto=webp&s=aa5c75168793394c36baff4218102e2bb767d237)
2024 OMEGA SPEEDMASTER WHITE DIAL 310.30.42.50.04.001 $7399
This is a 2024 OMEGA SPEEDMASTER with a white dial and various features such as a stainless steel case, sapphire crystal, and a 50-hour power reserve.
- Condition: Pre Owned, Cosmetic Condition: 9/10
- Case Material: STAINLESS/SAPPHIRE
- Water Resistance: 50 METERS/165 FEET