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 Moonwatch 310.30.42.50.04.001 Box and Papers, 2024, $7500](https://preview.redd.it/bzdcmp3e99xg1.jpg?width=640&crop=smart&auto=webp&s=62cd6518229fbe7022e71812272603f88db3dc39)
Omega Speedmaster Moonwatch 310.30.42.50.04.001 Box and Papers, 2024, $7500
The Omega Speedmaster Moonwatch features a 42mm diameter, 50m water resistance, and 50 hour power reserve with chronograph functionality.
- Condition: Dial and crystal are clean, Case and caseback are clean, Bracelet is excellent but clasp has hairline scratches
- Water Resistance: 50m depth rating
- Case Size: 42mm diameter
- Power Reserve: 50 hours
![[WTS] Omega speedmaster reduced](https://preview.redd.it/wjybdu9x49xg1.jpg?width=640&crop=smart&auto=webp&s=59e60778d69577bd625b57d71d5a9ab6347039c5)
Omega speedmaster reduced
Up for sale is my Omega Speedmaster Reduced from the mid 1990s, which comes in a stainless steel case with a black dial and automatic chronograph.
- Condition: Great condition for its age, with patina
- Case size: 39mm
- Bracelet type: Stainless steel and Uncle's flat link bracelet
- Bracelet material: Stainless steel
![[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! 馃敟$10,000馃敟](https://preview.redd.it/amn8ld3er7xg1.jpg?width=640&crop=smart&auto=webp&s=7c27b2e9475340cd4eecc23d152cc608de8d04da)
OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 馃敟$10,000馃敟
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 watch commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a skeletonized dial with a lunar surface design.
- Condition: UNWORN
- Case material: black ceramic
- Case diameter: 44.25mm
![[WTS] BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,799](https://preview.redd.it/mrmoyc6bn7xg1.jpg?width=640&crop=smart&auto=webp&s=43052481729ab9f1a6e3572f8bcba5cfcff80605)
BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,799
The Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case with a hesalite front and solid case back, powered by the updated caliber 3861 movement.
- Condition: Brand new in box with warranty
- Movement: Hand wound Cal 3861
- Power reserve: 50 hours
- Case size: 42mm diameter
![[WTS] Omega Speedmaster Racing with a box 40mm](https://preview.redd.it/vi9jrp5wb7xg1.jpg?width=640&crop=smart&auto=webp&s=e91fec5f953fe5df3ecd37f7ba61dc5864bb7efc)
Omega Speedmaster Racing with a box 40mm
- Box: included
![[WTS] Omega OEM Integrated Speedmaster Rubber Straps - One with OEM Clasp - One Without Clasp (Backordered thru Omega)](https://preview.redd.it/fxxaq044w6xg1.jpg?width=640&crop=smart&auto=webp&s=aa1accc3e36890b20a37d3656db713d36ae5a125)
Omega OEM Integrated Speedmaster Rubber Straps - One with OEM Clasp - One Without Clasp (Backordered thru Omega)
Additional details for Omega Speedmaster Professional rubber straps with curved ends and stainless steel deployant clasp. Designed to fit 20mm lugs.
- Condition: Very Good
- Material: rubber
- Clasp Type: stainless steel deployant clasp
- Lugs Size: 20mm
![[WTS] 2026 LNIB OMEGA Speedmaster Moonwatch Professional "Reverse Panda" 310.30.42.50.01.004 - Full Set](https://preview.redd.it/tq340bu5p6xg1.jpg?width=640&crop=smart&auto=webp&s=badbb717269a994c510cb666fd63a40ced105216)
2026 LNIB OMEGA Speedmaster Moonwatch Professional "Reverse Panda" 310.30.42.50.01.004 - Full Set
The Omega Speedmaster Moonwatch Professional 'Reverse Panda' is a new addition to the permanent Moonwatch collection, featuring a glossy polished black lacquered step dial with white varnished and lacquered sub-dials.
- Condition: Pristine pre-owned condition, virtually like new
- Case size: 42mm diameter
- Movement: Manual-Winding Co-Axial Master Chronometer Calibre 3861 (METAS certified)
- Power reserve: ~50 hours
![[WTS] Omega Speedmaster Day Date 3523.80](https://preview.redd.it/bcqryecka6xg1.jpg?width=640&crop=smart&auto=webp&s=3089ffabc225adabbe7aa2434e49e5a747c8369c)
Omega Speedmaster Day Date 3523.80
This Omega Speedmaster Day Date features a beautiful blue dial and is in excellent condition with minimal signs of wear.
- Condition: Excellent
- Payment Methods Accepted: pretty much every payment method, including crypto
- Meetup Location: southwest FL
- Available Trades: Tudor, Cartier, Rolex, Omega, Breitling, AP
![[WTS] Omega Speedmaster Racing 326.30.40.50.03.001](https://preview.redd.it/j259226j96xg1.jpg?width=640&crop=smart&auto=webp&s=6444ced954001ce2d03290d1142573e20020737d)
Omega Speedmaster Racing 326.30.40.50.03.001
For sale is an Omega Speedmaster Racing, in great condition with some light wear around the watch.
- Condition: great condition with some light wear
- Payment Methods Accepted: pretty much every payment method including crypto
- Local Meet Available: yes