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

2022 Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Sapphire
2022 Omega Speedmaster Professional Moonwatch in excellent condition with a full size bracelet.
- Condition: excellent, minor scratches on case and bracelet
- Bracelet type: full size
- Shipping method: FedEx Standard Overnight
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Omega Speedmaster Racing 44mm Automatic
This Omega Speedmaster Racing is a pre-owned timepiece from 2018, featuring a leather strap with light wear and comes with its original packaging and documentation.
- Condition: very good condition
- Case size: 44mm
- Movement: automatic
![[WTS] 2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary 310.32.42.50.02.001 - Brand New - $14,550](https://preview.redd.it/jzjn621i45wf1.jpg?width=640&crop=smart&auto=webp&s=379fec92bfa58a1cf98dd5d90d8a7fad4b6f025e)
2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary 310.32.42.50.02.001 - Brand New - $14,550
The 2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary watch is a highly sought-after edition with blue sub-dials and bezel, and a unique caseback.
- Condition: Brand New
- Year Of Manufacture: 2025
- Includes Accessories: yes, includes inner and outer box, cards, special loupe, cleaning cloth, instruction manuals
![[WTS] Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit](https://preview.redd.it/ldzei4kih4wf1.jpg?width=640&crop=smart&auto=webp&s=2369cb01e905eca1b412591f9b89792e44d81473)
Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit
This Omega OEM deployant clasp kit is designed for Speedmaster 3861 bracelets with or without micro-adjustment feature. It has a longer design than the stock 3861 bracelet clasp and features micro-adjustment for precise sizing.
- Condition: Excellent - minimal wear, fully functional
- Fitment: Omega Speedmaster bracelets
- Material: Stainless steel
- Feature: Micro-adjustment for precise sizing
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Omega Speedmaster Mother Of Pearl Dial 3834.72.35 - Original Buckle & Handmade Strap (Serviced) only for 2200$ 🚢
A stainless steel Omega Speedmaster with a 39mm case size and mother of pearl dial featuring green Arabic numerals. The watch has been recently serviced and is working perfectly fine.
- Condition: Clean case, super clean dial and bezel
- Case Size: 39mm diameter
- Movement Type: Automatic
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Omega Speedmaster BSOM Moonphase 304.93.44.52.03.002 (2021) | Complete Box & Papers | $10,999 Shipped
The Omega Speedmaster “Blue Side of the Moon” (2021) is a stunning and underrated modern Speedmaster variant, crafted entirely from blue ceramic with a rich blue dial and Sedna gold accents.
- Condition: amazing condition overall
- Year: 2021
- Material: blue ceramic
- Movement: running strong and keeps excellent time
![[WTS] Omega Speedmaster Moonphase](https://preview.redd.it/ak3pag7abzvf1.jpg?width=640&crop=smart&auto=webp&s=b5ca98141a526191fa2ec5de4fddbc24bcad1ed6)
Omega Speedmaster Moonphase
Up for sale is an Omega Speedmaster Moonphase ref. 3575.20, which runs great and comes with full kit and documentation.
- Condition: excellent
- Warranty card included: true
- Shipping limited to conus: true
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Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty
This is a Omega Speedmaster racing watch, model 9900, featuring a 44.25mm case size and a factory warranty until OCT 2024.
- Condition: Good condition
- Case size: 44.25mm
- Warranty: Factory warranty until OCT 2024
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Omega Speedmaster 3590.50
- Title: [WTS] Omega Speedmaster 3590.50