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 Speedmaster3590.50 – Unpolished Classic](https://external-preview.redd.it/bq19TQDHXIiNf5PqsKkLb8n4nt9gn3Qk4YrXYTBjuAQ.jpg?auto=webp&s=d7e492d8509072c3900b10b7a0f6c5a110b0e814) 
                    Omega Speedmaster3590.50 – Unpolished Classic
                            
                                a classic, unpolished Omega Speedmaster with a unique character
                                                       
                            
                    
                    
                    
                - Material: steel
- Band: leather strap
![[WTS]: Omega Speedmaster Professional Moonwatch Full kit 12/24](https://preview.redd.it/ye5ukg4ffcxf1.jpeg?auto=webp&s=cb23bef97030d18d2120d4f5750656cf53e778b9) 
                    : Omega Speedmaster Professional Moonwatch Full kit 12/24
                            
                                This Omega Speedmaster Professional Moonwatch Hesalite is a full kit in very good condition. It features a Hesalite crystal and comes with a warranty card dated 12/24.
                                                       
                            
                    
                    
                    
                - Condition: Very nice shape, small marks and scratches
- Warranty card date: 12/24
- Shipping method: FedEx
![[WTS] Omega Speedmaster. Moonwatch. 3570.50. Strong Lume.](https://preview.redd.it/ihv0zylmubxf1.jpeg?auto=webp&s=811e6bb2aa5c79c6bc05e2035f360a813519fe8e) 
                    Omega Speedmaster. Moonwatch. 3570.50. Strong Lume.
                            
                                This is an Omega Speedmaster Moonwatch, a model known for its strong lume and moon phase display.
                                                       
                            
                    
                    
                    
                - Lume strength: strong
- Shipping: Fedex with insurance
- Location: NJ USA
![[WTS] Omega Speedmaster 3590.50](https://preview.redd.it/srw2wa1vfbxf1.jpg?width=640&crop=smart&auto=webp&s=164344a75333fedb27704734538fff09287a1646) 
                    Omega Speedmaster 3590.50
- Gender: men's
- Water Resistance: 30m
![[WTS] Omega Speedmaster $4,511 BRAND NEW](https://preview.redd.it/e8erriee4axf1.jpg?width=640&crop=smart&auto=webp&s=de60edbe8bd23609db8e4790a7635a7555ce6468) 
                    Omega Speedmaster $4,511 BRAND NEW
                            
                                This is a brand new Omega Speedmaster watch. It's a classic design that exudes style and sophistication.
                                                       
                            
                    
                    
                    
                - Condition: Brand New
![[WTS] Omega Speedmaster Professional Hesalite - Weeks Old! 310.30.42.50.01.001](https://preview.redd.it/mwb21nihw9xf1.jpg?width=640&crop=smart&auto=webp&s=44747b3fbbb28fce8f3f2e43f30f8ef2f31a2afe) 
                    Omega Speedmaster Professional Hesalite - Weeks Old! 310.30.42.50.01.001
                            
                                This Omega Speedmaster Professional has been purchased brand new within the past month and comes with full set, boxes, papers, and warranty.
                                                       
                            
                    
                    
                    
                - Condition: Like new, consistent with about a week of total wear
- Warranty: 10/25 warranty
![[WTS] Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,195](https://preview.redd.it/0xppa3ztt9xf1.jpg?width=640&crop=smart&auto=webp&s=d965ea62f3c3a7894196d4597a51b2a764148f8e) 
                    Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,195
                            
                                This Omega Speedmaster Moonwatch, part of the Dark Side of the Moon collection, features a Vintage Black design.
                                                       
                            
                    
                    
                    
                - Condition: Excellent condition with minimal signs of wear
- Year: 2022
- Contents: Watch,Inner & Outer Box,International Warranty Card,Pictograms Card,Card Holder,Operating Instructions Manual,Omega Travel Box
- Condition Details: Strap is relatively new (purchased 4/27/25), Inner box has some wear
![[WTS] 2024 Omega Speedmaster Professional Moonphase 44.25mm 304.33.44.52.03.001 Blue Dial](https://preview.redd.it/f8cows4kd6xf1.jpg?width=640&crop=smart&auto=webp&s=365a384035e3a691a396f723f810493fe05d1f7d) 
                    2024 Omega Speedmaster Professional Moonphase 44.25mm 304.33.44.52.03.001 Blue Dial
                            
                                2024 Omega Speedmaster Professional Moonphase in 44.25mm size with blue dial.
                                                       
                            
                    
                    
                    
                - Condition: Pre-Owned, with wear on polished parts of case and worn but still usable strap
- Case size: 44.25mm diameter
 
                            ![[WTS] Omega Speedmaster Reduced 3510.50 (EUROPE 🇪🇺)](https://preview.redd.it/bl8yfgs5waxf1.png?width=640&crop=smart&auto=webp&s=dec7932190098908c6ee4a9c6b9c951752b28564)