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 Michael Schumacher The Legend Collection $3,499](https://preview.redd.it/qb9ktdvsoowf1.jpeg?auto=webp&s=58b80145a58781427b1c6395245688a1b9178c66)
Omega Speedmaster Michael Schumacher The Legend Collection $3,499
This Omega Speedmaster Michael Schumacher The Legend Collection celebrates motorsport and Omega ambassador Michael Schumacher with a unique design, featuring a checkered carbon fiber dial, red accents, and a bezel with his racing achievements. It's powered by Omega's automatic caliber 3313, a column wheel chronograph movement.
- Condition: Great pre-owned condition with minor wear marks
- Case size: 44mm
- Lug width: 21mm
- Water resistance: 100m depth rating
![[WTS] Open Card Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” 310.30.42.50.01.002 — Excellent Condition, Box & Papers](https://preview.redd.it/qxbhpcdnqrvf1.jpeg?auto=webp&s=5194a4a81f8fae2adc4141d732ad62199ea75ef1)
Open Card Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” 310.30.42.50.01.002 — Excellent Condition, Box & Papers
The Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” is a modern take on one of the most iconic chronographs ever made, featuring a black step dial and sapphire crystal front and back.
- Condition: Excellent condition
- Case diameter: 42mm
- Lug to lug: 47.5mm
- Thickness: 13.2mm
![[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002](https://preview.redd.it/w5h2ajtgwnwf1.jpg?width=640&crop=smart&auto=webp&s=d5b77be53ab6365d6b04e6243c99ff25b563348d)
[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002
Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm watch that functions perfectly mechanically.
- Condition: fantastic with minor hairlines
- Case size: 43mm
![Help/advice for selling my Omega Speedmaster [wts]](https://preview.redd.it/e4fw5holekwf1.jpg?width=640&crop=smart&auto=webp&s=a9ed1a95f9b54e4f83d5e8df309c7e112f51c323)
Help/advice for selling my Omega Speedmaster
The seller is looking for advice on how to securely sell their four-figure Omega Speedmaster, citing concerns about scams and bot warnings.
- Watch Model: Speedmaster
- Seller Type: eBay
![[WTS] 2022 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set](https://preview.redd.it/pwpxxtzoyjwf1.jpg?width=640&crop=smart&auto=webp&s=8b6061a3767aed4ca8da526ef7dbd861a4e96f6b)
2022 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set
2022 Omega Speedmaster Professional Moonwatch Sapphire in stainless steel with a black dial and bezel.
- Condition: Very nice preowned condition with some light scratches
- Case material: stainless steel
- Case dimensions: 42mm diameter
- Bezel material: stainless steel
![[WTS] Omega Speedmaster. Broad Arrow. Gorgeous Dial. See through movement. 🔥](https://preview.redd.it/yqbmrqerhjwf1.jpeg?auto=webp&s=904c6c39dd58f70a3a31f76b918356bbd54c4bdb)
Omega Speedmaster. Broad Arrow. Gorgeous Dial. See through movement. 🔥
This Omega Speedmaster features a Broad Arrow dial and a see-through movement, making it a stunning timepiece.
- Movement: automatic
- Dial: broad arrow dial
- Shipping: Fedex with insurance
![[WTS] Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!](https://preview.redd.it/ielu1thsbjwf1.jpg?width=640&crop=smart&auto=webp&s=a44c8baab0d4a38ae90cfe6d8bc2c97b91567c4f)
Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!
A 42mm Omega Speedmaster Professional in amazing condition, with minimal wear and a complete set of accessories.
- Condition: Like New
- Case size: 42mm diameter
- Movement type: automatic
![[WTS] 2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set](https://preview.redd.it/u9w2uegatiwf1.jpg?width=640&crop=smart&auto=webp&s=34e4f64a430c38e817386e688e40658736fb9cb0)
2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set
A 2025 Omega Speedmaster Professional Moonwatch Sapphire Sandwich, purchased in January 2025 and running perfectly.
- Condition: Excellent preowned condition with minor signs of wear
- Year: 2025 (factory warranty until Jan 2030)
- Size: 42mm diameter
- Retail: $9000
![[WTS] Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024](https://preview.redd.it/ujedlzujziwf1.jpg?width=640&crop=smart&auto=webp&s=11e90cf94e1f010160bb18cc421c62f9392e24e9)
Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024
A wonderful example of the Omega Speedmaster Dark Side Moon Apollo 8 model, featuring a black ceramic skeletonized dial and updated laser ablated moon surface. Paired with a Saturn V rocket constant seconds hand, this is one of the most detailed black ceramic watches to wear.
- Condition: Mint condition, appears completely unworn
- Case size: 44.25mm