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 Date 3513.50](https://preview.redd.it/egu63p43k9ye1.jpg?width=640&crop=smart&auto=webp&s=b0e1d809a5280f9113ae56ca331e9971c79e689e)
Omega Speedmaster Date 3513.50
A beautiful Omega Speedmaster Date in overall very good condition, with a black dial and comfortable bracelet.
- Condition: Very good condition with normal wear on the case and bracelet
- Movement: Cal 1152
- Bracelet size: 6.75 inches
Omega Speedmaster Mark II / Mark 2 145.014 Vintage
The Omega Speedmaster Mark II / Mark 2 ref. 145.014 from 1970 appears to be in excellent shape, with a strong movement and functioning chronograph.
- Condition: all original condition with hairline scratches and original brushing
- Bracelet size: 1158 bracelet sized to 6.9in wrist
- Movement running status: running strong on timing machine
- Service history: unknown
Omega Speedmaster Mark II / Mark 2 145.014 Vintage
Early Speedmaster Mark 2 from 1970 in all original condition with no evidence of polishing or touching up. Hands and dial are in great shape with clean and consistent lume.
- Condition: All original condition with hairline scratches on case, one gouge on bracelet.
- Case size: 40mm diameter
- Bracelet size: 6.9 inches
- Bracelet type: 1158
![[WTS] Omega Speedmaster Dark Side of the Moon “Apollo 8” Slider](https://preview.redd.it/v6vqa0jom6ye1.jpg?width=640&crop=smart&auto=webp&s=9f2d1706af74f1f35deaa43c73d151a3872d33ac)
Omega Speedmaster Dark Side of the Moon “Apollo 8” Slider
This Omega Speedmaster Dark Side of the Moon 'Apollo 8' is a limited edition timepiece that honors the historic Apollo 8 mission, with a laser-ablated blackened movement and skeletonized dial. The watch features a manual-winding Caliber 1869 movement and is made from ultra-light and scratch-resistant black ceramic.
- Condition: MINT
- Case Material: black ceramic
- Diameter: 44.25mm
- Movement Type: manual-winding
![[WTS] Omega Speedmaster premoon 105.012- 66CB Serviced](https://preview.redd.it/f5xvahax66ye1.jpg?width=640&crop=smart&auto=webp&s=40de186b193871a81497c4980d02bba39e2f690b)
Omega Speedmaster premoon 105.012- 66CB Serviced
This pre-moon Speedmaster features an original dial with tritium intact and a great bezel with minimal wear. The case has sharp edges and clear polished and brushed parts.
- Condition: Serviced, good condition with original parts and slight wear on the dial and hands
- Movement: 321 movement
- Caseback: Spiralwinder display caseback
![[WTS] New 2025 Omega Speedmaster Moonwatch Professional Hesalite Black Dial Full 4/25 Ref: 310.30.42.50.01.001](https://preview.redd.it/l8rga85056ye1.jpg?width=640&crop=smart&auto=webp&s=059c9850ea5099ba797b8e4aaed43e75220413a7)
New 2025 Omega Speedmaster Moonwatch Professional Hesalite Black Dial Full 4/25 Ref: 310.30.42.50.01.001
This Omega Speedmaster Moonwatch Professional features a black lacquered dial and is powered by the manual-winding 3861 movement.
- Condition: 10/10, Unworn with stickers
- Movement: Manual wind
- Diameter: 42mm
- Water resistance: 50M
![[WTS] Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001](https://external-preview.redd.it/NGt5OXpuengxNnllMUJDdS0Gi9b6to9zH50ooRDilk955RZG063oY1hvbkQ0.png?format=pjpg&auto=webp&s=27944a608d3ee8c546785a50c7ac95bbb7f18907)
Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001
The Omega Speedmaster Apollo XVII is a limited edition timepiece commemorating the 45th anniversary of the final moon landing in 1972. This watch features a polished blue ceramic bezel with tachymeter scale, a dial with 18K yellow gold indexes and hour-minute hands coated in Super-LumiNova, and an engraved caseback.
- Condition: Very good
- Case size: 42mm
- Water resistance: 50 meters / 167 feet
- Movement: Manual-Winding Chronograph
![[WTS] Omega Speedmaster Automatic Triple Calendar Chronograph 3220.50 $2199](https://preview.redd.it/p3iab35755ye1.jpg?width=640&crop=smart&auto=webp&s=edcb7d7632b9185960d201015cff5b7b037add86)
Omega Speedmaster Automatic Triple Calendar Chronograph 3220.50 $2199
A beautiful Omega Speedmaster 3220.50 Triple Calendar Chronometer Chronograph with a 40mm steel case and Valjoux 7751 based automatic movement.
- Case size: 40mm
- Movement: Valjoux 7751 based automatic
- Crystal coating: AR coated sapphire
![[WTS] Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)](https://preview.redd.it/95kk1g3253ye1.jpg?width=640&crop=smart&auto=webp&s=426a6f1ab13426c6f75130d81c320587d39efb0a)
Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)
This Omega Speedmaster Moonwatch features a white dial and is sold with its original boxes, papers, warranty card, pictogram card, and Master chronometer certificate.
- Condition: Mint condition
- Accessories included: boxes, papers, warranty card, pictogram card, Master chronometer certificate