Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Bracelet
Reference 310.30.42.50.01.002
About this watch
The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is a masterpiece of horology that embodies the perfect blend of history, function, and style. This iconic watch features a classic round case with a diameter of 42 mm and a height of 13.18 mm, encasing a stunning matte black dial that provides a perfect contrast to the stainless steel exterior. The sapphire crystal glass offers unparalleled scratch resistance and clarity, allowing wearers to enjoy this watch in everyday situations without worrying about damaging the face. At its core is the Omega caliber 3861 movement, an updated version of the previous caliber 861 and 1861, featuring a co-axial escapement and silicon balance spring that enhances accuracy and longevity. This Master Chronometer certified by METAS ensures reliable performance under various conditions, with a power reserve of 50 hours and a frequency of 21,600 vibrations per hour. The Omega Speedmaster isn't just a timekeeper; it's a fully functional chronograph with small seconds, hours, and minutes hands that can easily track elapsed time in any setting. This watch is perfect for daily wear, with a water resistance of 50 meters making it suitable for splashes and brief immersion in water. The stainless steel bracelet is both stylish and comfortable, designed for wearability and featuring solid yet lightweight links that adjust effortlessly to find the perfect fit. Whether you're dressed formally or casually, this watch complements any look and is sure to spark conversations with its iconic design and historical significance.
Key Features
- 42mm stainless steel case
- Sapphire crystal glass for scratch resistance
- Master Chronometer certified Omega caliber 3861 movement
- Chronograph function with small seconds, hours, and minutes hands
- Water resistance of 50 meters
- Stainless steel bracelet with adjustable links
- Iconic tachymetric scale on the bezel
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Bracelet
- Reference
- 310.30.42.50.01.002
- 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] 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 $2199
A beautiful Omega Speedmaster 3220.50 Triple Calendar Chronometer Chronograph with a 40mm steel case and Valjoux 7751 based automatic movement.
- Case size: 40mm
- Movement: Valjoux 7751 based automatic
- Crystal coating: AR coated sapphire
![[WTS] Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)](https://preview.redd.it/95kk1g3253ye1.jpg?width=640&crop=smart&auto=webp&s=426a6f1ab13426c6f75130d81c320587d39efb0a)
Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)
This Omega Speedmaster Moonwatch features a white dial and is sold with its original boxes, papers, warranty card, pictogram card, and Master chronometer certificate.
- Condition: Mint condition
- Accessories included: boxes, papers, warranty card, pictogram card, Master chronometer certificate
![[WTS] Omega Speedmaster Reduced Two Tone](https://preview.redd.it/njo9fnfkj2ye1.jpg?width=640&crop=smart&auto=webp&s=8bc3757230f3d46d768f478d0fbee2d7955094a7)
Omega Speedmaster Reduced Two Tone
A rare two-tone Omega Speedmaster Reduced, in overall good condition for its age, with a white dial and 18k gold bezel.
- Condition: good condition with some wear on the case and bezel
- Movement: Cal 1140
- Size: 39mm diameter
- Case material: two tone
![[WTS] Omega Speedmaster Day Date 3521.30 1800$](https://preview.redd.it/31emmp13o1ye1.jpg?width=640&crop=smart&auto=webp&s=bb69b7bbb0a8fc203263d2c16838d4d78dc37713)
![[WTS] 1997 Omega Speedmaster Professional Gemini V (Ref. 345.0022)](https://preview.redd.it/6tvpe292d1ye1.jpeg?auto=webp&s=93733972ac616fa3be902761c003be8aea89a986)
1997 Omega Speedmaster Professional Gemini V (Ref. 345.0022)
The Omega Speedmaster Professional Gemini V Watch commemorates the NASA Gemini V mission, featuring a unique 9 o'clock sub-dial with the mission patch and a limited release of 150 models.
- Condition: Excellent/like new
- Case size: 42mm diameter
- Bracelet type: Omega 1499 with 842 end pieces
- Box papers status: Original inner/outer boxes and booklets present
![[WTS] OEM Omega Rubber strap for Speedmaster Racing 40mm coaxial 19mm - 98000417](https://preview.redd.it/9al1qcfjjzxe1.jpg?width=640&crop=smart&auto=webp&s=80330022da48027b9729560e6a9efa50e4957ffa)
OEM Omega Rubber strap for Speedmaster Racing 40mm coaxial 19mm - 98000417
A new Omega Speedmaster Racing watch strap with 19mm lugs, suitable for a 40mm coaxial model.
- Lug size: 19mm
- Strap type: Rubber
![[WTS] Omega Speedmaster Speedy Tuesday - MINT UNWORN $14,500](https://preview.redd.it/dx29ybmaazxe1.jpg?width=640&crop=smart&auto=webp&s=d389c51880ad2a8bc4ffd803e86f4ead783a89b5)
Omega Speedmaster Speedy Tuesday - MINT UNWORN $14,500
Up for sale is THE Speedy Tuesday ST1, an UNWORN and MINT example of this hard-to-find watch. It includes the watch, box, warranty cards, and accessories.
- Condition: Mint unworn
- Case Size: 42mm diameter