Omega Speedmaster Speedmaster Professional Moonwatch
Reference 3870.50.31
About this watch
The Omega Speedmaster Professional Moonwatch (model 3870.50.31) is a masterpiece of watchmaking. This iconic timepiece has been to the moon and back, thanks to its association with the Apollo 11 mission in 1969. At its heart lies the Omega caliber 1861, a hand-wound movement that's both reliable and precise. With a frequency of 21,600 vibrations per hour and a power reserve of 48 hours, this watch is designed to keep you on time for your next adventure. The black dial is elegantly accented by stick and dot indexes, making it both readable and stylish. Its stainless steel case with a round shape and diameter of 42.00 mm exudes sophistication, while the tachymetric bezel adds a sporty edge. Whether you're in a boardroom or at a casual gathering, this watch makes a statement. The Speedmaster's versatility is unmatched, effortlessly transitioning from a dress watch to a casual piece. Pair it with a crisp suit or a relaxed T-shirt, and it fits right in. Its durability and accuracy have made it the perfect companion for astronauts, and its rich heritage is a testament to Omega's engineering prowess.
Key Features
- Omega caliber 1861 hand-wound movement
- 50-meter water resistance
- 42mm stainless steel case with black dial
- Tachymetric bezel
- Chronograph functionality with small seconds, hours, and minutes hands
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch
- Reference
- 3870.50.31
- Movement
- 1861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Plexi
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster '57 - Full set - 332.10.41.51.01.001](https://external-preview.redd.it/cheIPUwj36Osg_Xi9IyANU132kRPTo8tDdlpiFMAywc.jpg?auto=webp&s=bfe1ae60af17b9de3c0694b670ef6beca47b78dc)
![[WTS] Omega Speedmaster 18mm 1553/939 bracelet with extra links!](https://preview.redd.it/7ni1qdk1oq5f1.jpg?width=640&crop=smart&auto=webp&s=1d8b4274f9c3054309b9546736035fa51af8c40c)
![[WTS] Omega Speedmaster Racing Chronograph “Schumacher” Ref. 3810.61 – $2,499 Shipped](https://preview.redd.it/t6tn6q6a7q5f1.jpg?width=640&crop=smart&auto=webp&s=4ebade2b7531951691e21c7346394b0dcdfb6fbb)
![[WTS] Reduced/ Reposted - $4,500 OBO - Omega Speedmaster Moonwatch Professional Hesalite](https://preview.redd.it/0wf6k7a00l5f1.jpg?width=640&crop=smart&auto=webp&s=bacf9ecb5fb657ff1aa83c035a5d5c7b10cd9a58)
Reduced/ Reposted - $4,500 OBO - Omega Speedmaster Moonwatch Professional Hesalite
This Omega Speedmaster Moonwatch Professional features a Hesalite crystal and is part of the 310 series.
- Condition: Like new, worn infrequently
- Year purchased: 2025
- Included items: inner/outer box, JOMASHOP warranty card, pictogram card, master chronometer card, hang tag, manual
![[WTS] Omega Speedmaster. Automatic. Gorgeous Lume. Ceramic bezel. 38mm. OEM strap + Deployant Clasp.](https://preview.redd.it/3nhha47ftj5f1.jpeg?auto=webp&s=8a19a25832be4afb03dc35cf013cae838f104229)
Omega Speedmaster. Automatic. Gorgeous Lume. Ceramic bezel. 38mm. OEM strap + Deployant Clasp.
A 38mm Omega Speedmaster with automatic movement, fire dial, and lume. It features a ceramic bezel, OEM strap, and deployant clasp.
- Case size: 38mm diameter
- Movement type: Automatic
![[WTS] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set](https://external-preview.redd.it/YmpqdnRxNmlzajVmMRh51aARuDQK0G-ueYfft6o5364QmO02SMX3yyQIqtg0.png?format=pjpg&auto=webp&s=cbd10d85cfba7ba42b1683c37a6c63300f337d39)
Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set
The Omega Speedmaster Chronoscope features a white Panda dial with distinctive timing scales in a 1940's 'snail' design.
- Condition: Exceptional, mint condition with slight marks on the clasp
- Case size: 43mm diameter
- Set includes: outer box, inner box, operating instruction manual, hang tag, original sticker, pictogram, master chronometer, warranty card (dated 4-2023)
- Condition of packaging: The original white pillow has been replaced with a black pillow
![[WTS] Omega Speedmaster Moonwatch 310.20.42.50.99.001 – Steel & Sedna Gold – Full Set – $15,895 Shipped](https://preview.redd.it/cejibypqbj5f1.jpg?width=640&crop=smart&auto=webp&s=0a02045cdb30bb4270d42d5806711826c0ef0b2c)
Omega Speedmaster Moonwatch 310.20.42.50.99.001 – Steel & Sedna Gold – Full Set – $15,895 Shipped
The Omega Speedmaster Moonwatch is a premium bi-metal watch pairing stainless steel with Sedna Gold, featuring a brushed Sedna Gold PVD dial and black subdials.
- Condition: Very Good Condition
- Case diameter: 42mm
- Water resistance: 50m
- Movement type: Manual-wind Caliber 3861
Withdrawn Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001
This Omega Speedmaster Professional Moonwatch is a few weeks old, purchased from Watchmaxx on May 19th of this year, and has been worn only a dozen times carefully. It is running within spec and looks amazing.
- Condition: Like new
- Material: Hesalite crystal
- Warranty: No warranty included