Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf
Reference 310.32.42.50.01.002
About this watch
The Omega Speedmaster Professional Moonwatch 3861 is an engineering marvel that combines style with functionality, paying homage to its illustrious past as the first watch worn on the moon. This iconic timepiece boasts a sleek, matte black dial and polished stainless steel case, striking an excellent balance between boldness and subtlety. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a Co-Axial escapement and silicon balance spring for accuracy and resistance to magnetic fields up to 15,000 gauss. The watch's robust stainless steel construction and sapphire crystal provide a durable exterior and protect the watch face from scratches, while its water resistance of 50 meters ensures it can withstand accidental splashes. With an open case back revealing the intricate movement within, this timepiece showcases Omega's craftsmanship and attention to detail. The Speedmaster is a versatile accessory that adapts effortlessly to any style or occasion, making it a worthy investment for anyone who appreciates the finer things in life.
Key Features
- Manual-winding chronograph movement
- Master Chronometer Certified
- 50-meter water resistance
- Co-Axial escapement and silicon balance spring
- Open case back revealing intricate movement
- Robust stainless steel construction with sapphire crystal
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf
- Reference
- 310.32.42.50.01.002
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Sapphire 3861, $5500](https://preview.redd.it/fb2w1vvy2stg1.jpg?width=640&crop=smart&auto=webp&s=8cbe8bd159be55bd7dc77ce1e85d84c2e9428c64)
Omega Speedmaster Sapphire 3861, $5500
This Omega Speedmaster Sapphire is a high-end watch from a reputable brand, featuring advanced materials and craftsmanship.
- Condition: Preowned
- Shipping cost (us states): $100
- Payment methods: Wire or Credit Card (+4.9%)
![[WTS] Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)](https://preview.redd.it/s5urwb750hwg1.jpeg?auto=webp&s=61cd9082f7e81c37bb6e5bd2e53a14b26cea4179)
Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)
A 1972 Omega Speedmaster Professional Moonwatch with a manual wind Cal. 861 movement, 42mm stainless steel case, and black dial with three registers.
- Condition: some scratches on the bezel and crystal, some marks on the case
- Movement: Cal. 861
- Case size: 42mm diameter
- Water resistance: 30m depth rating
![[WTS]🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA](https://preview.redd.it/mfbuthnhsgwg1.jpg?width=640&crop=smart&auto=webp&s=bee3b31fe14adfd7f9fcb08f6e6536f8170a70a6)
🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA
No description provided.
- Condition: new
- Year: 2026
![[WTS] Omega Speedmaster Pro “Moon to Mars” Edition](https://preview.redd.it/csm49wkchgwg1.jpg?width=640&crop=smart&auto=webp&s=b579885fde04b7f5b72489dfefd8c2ef2d39066c)
Omega Speedmaster Pro “Moon to Mars” Edition
The Omega Speedmaster Pro 'Moon to Mars' Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.
- Condition: Good, with a scratch on the crystal at 1 o'clock
- Bracelet size: 7 inches
- Movement: 1861 manual
- Size: 42mm diameter
![[WTS] Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set](https://preview.redd.it/qe2fhwefagwg1.jpg?width=640&crop=smart&auto=webp&s=ddbbe4c7cfc981882aaa83478ef868b16849e949)
Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set
The Omega Speedmaster Moonwatch Professional is a 42mm watch with an unknown service history.
- Condition: Great Pre-Owned
- Links: 24 Links
- Warranty Years Remaining: 1 year (2025)
![[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.](https://preview.redd.it/xfxueay7lfwg1.jpeg?auto=webp&s=bbe5504c73a75b221d28ac2cc76ee1b5acd4424d)
Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.
A 39mm automatic Omega Speedmaster with a mother of pearl dial and OEM omega strap.
- Case size: 39mm
- Movement type: Automatic
![[WTS] Omega Speedmaster Hesalite (ref. 3103042500100)](https://preview.redd.it/f0vppglogfwg1.jpg?width=640&crop=smart&auto=webp&s=cfcb9628fbc668c392c2f718cee19632fa4f49c0)
Omega Speedmaster Hesalite (ref. 3103042500100)
A recently serviced Omega Speedmaster Professional Moonwatch with a newer 3861 movement, featuring Hesalite crystal. The watch comes with full set, including warranty card, pictograms, master chronometer certification, and extra links.
- Condition: Very good, some small marks on the case and desk diving marks on the clasp
- Movement: 3861, newer
- Set included: full set, warranty card dated January 2021, pictograms, master chronometer certification, extra links
![[WTS][US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW](https://preview.redd.it/rp3kcz7rbfwg1.jpg?width=640&crop=smart&auto=webp&s=65504b9a11c8bf3447e1c155fb69133115d8339b)
[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW
This Omega Speedmaster Moonwatch Professional is a 42mm Reverse Panda model available as a full set, complete with all original accessories.
- Condition: Brand new, unworn, and in pristine condition
- Case Size: 42mm
- Set Contents: Watch,Box (inner & outer),Travel case,Historical booklet,User manual,Microfiber cloth,Master chronometer card,Warranty card
![[WTS] 2024 Omega Speedmaster 3861 Sapphire Sandwich 310.30.42.50.01.002 - Complete Set](https://preview.redd.it/2vn9f2ptzewg1.jpeg?auto=webp&s=82ee0e75b4863fc45ad65a7f27ac7380460567bf)
2024 Omega Speedmaster 3861 Sapphire Sandwich 310.30.42.50.01.002 - Complete Set
The Omega Speedmaster Moonwatch Professional is a 42mm chronograph watch featuring sapphire crystal front and case back, stainless steel bracelet, and the 3861 movement. It comes as a complete set with warranty cards, travel case, and other accessories.
- Condition: Very good condition with minimal wear on the case and bracelet.
- Case size: 42mm
- Movement: 3861
- Bracelet material: stainless steel