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] Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025](https://preview.redd.it/mspc0oqeokwg1.jpg?width=640&crop=smart&auto=webp&s=c407ec43e3d2f8ce32047878ed80b14f786b093a)
Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025
This Omega Speedmaster Grey Side of The Moon is for sale in a very mint condition with no flaws and comes as a fully complete set.
- Condition: Mint condition
- Warranty Card Date: April 2025
- Shipping Method: WW insured shipping
![[WTS] Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)](https://preview.redd.it/gw6sm84hpjwg1.jpg?width=640&crop=smart&auto=webp&s=559eb7851ad2f6251a22f5e033c5ec123b2c2312)
Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)
Up for sale is my April 29, 2022 dated Omega Speedmaster '57, current generation, with warranty till Apr 2027.
- Condition: Pre-owned, very good condition with minor scratches and marks
- Dimensions: 40mm diameter
- Bracelet length: 17cm
![[WTS] Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)](https://preview.redd.it/s5urwb750hwg1.jpeg?auto=webp&s=61cd9082f7e81c37bb6e5bd2e53a14b26cea4179)
Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)
A 1972 Omega Speedmaster Professional Moonwatch with a manual wind Cal. 861 movement, 42mm stainless steel case, and black dial with three registers.
- Condition: some scratches on the bezel and crystal, some marks on the case
- Movement: Cal. 861
- Case size: 42mm diameter
- Water resistance: 30m depth rating
![[WTS]🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA](https://preview.redd.it/mfbuthnhsgwg1.jpg?width=640&crop=smart&auto=webp&s=bee3b31fe14adfd7f9fcb08f6e6536f8170a70a6)
🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA
No description provided.
- Condition: new
- Year: 2026
![[WTS] Omega Speedmaster Pro “Moon to Mars” Edition](https://preview.redd.it/csm49wkchgwg1.jpg?width=640&crop=smart&auto=webp&s=b579885fde04b7f5b72489dfefd8c2ef2d39066c)
Omega Speedmaster Pro “Moon to Mars” Edition
The Omega Speedmaster Pro 'Moon to Mars' Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.
- Condition: Good, with a scratch on the crystal at 1 o'clock
- Bracelet size: 7 inches
- Movement: 1861 manual
- Size: 42mm diameter
![[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.](https://preview.redd.it/xfxueay7lfwg1.jpeg?auto=webp&s=bbe5504c73a75b221d28ac2cc76ee1b5acd4424d)
Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.
A 39mm automatic Omega Speedmaster with a mother of pearl dial and OEM omega strap.
- Case size: 39mm
- Movement type: Automatic
![[WTS] Omega Speedmaster Hesalite (ref. 3103042500100)](https://preview.redd.it/f0vppglogfwg1.jpg?width=640&crop=smart&auto=webp&s=cfcb9628fbc668c392c2f718cee19632fa4f49c0)
Omega Speedmaster Hesalite (ref. 3103042500100)
A recently serviced Omega Speedmaster Professional Moonwatch with a newer 3861 movement, featuring Hesalite crystal. The watch comes with full set, including warranty card, pictograms, master chronometer certification, and extra links.
- Condition: Very good, some small marks on the case and desk diving marks on the clasp
- Movement: 3861, newer
- Set included: full set, warranty card dated January 2021, pictograms, master chronometer certification, extra links
![[WTS][US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW](https://preview.redd.it/rp3kcz7rbfwg1.jpg?width=640&crop=smart&auto=webp&s=65504b9a11c8bf3447e1c155fb69133115d8339b)
[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW
This Omega Speedmaster Moonwatch Professional is a 42mm Reverse Panda model available as a full set, complete with all original accessories.
- Condition: Brand new, unworn, and in pristine condition
- Case Size: 42mm
- Set Contents: Watch,Box (inner & outer),Travel case,Historical booklet,User manual,Microfiber cloth,Master chronometer card,Warranty card
![[WTS] Omega Speedmaster Moonwatch Exhibition Back 3592.50 Apollo XI Watch](https://preview.redd.it/ia0hlc9l7dwg1.jpg?width=640&crop=smart&auto=webp&s=81d77194569ebfcaab982f5bc3f30cdf770eb55d)
Omega Speedmaster Moonwatch Exhibition Back 3592.50 Apollo XI Watch
- Image link: https://imgur.com/a/2pYMJf8