Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet
Reference 310.55.42.50.13.001
About this watch
                        The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet is a masterpiece of horology, blending art, history, and cutting-edge technology. Crafted from Sedna Gold, this watch boasts a unique color that's both warm and striking. Its round shape and sunburst brown finish give it a luxurious feel, while the diamond-set bezel adds a touch of elegance. The 3861 is equipped with a chronograph feature, allowing you to measure elapsed time with precision. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a co-axial escapement and silicon balance spring for accuracy and reliability. Master Chronometer certified by METAS, this watch has undergone rigorous testing to withstand magnetic fields of up to 15,000 gauss. Its sleek design and exceptional craftsmanship make it a standout in any collection. Whether you're at a formal event or a casual outing, this watch is sure to turn heads.
                    
                
                            
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                        Key Features
- Sedna Gold case
- Manual-winding chronograph movement
- Co-axial escapement and silicon balance spring
- Master Chronometer certified by METAS
- Diamond-set bezel
- Water resistance up to 50 meters
- 42.00 mm diameter and 13.18 mm height
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet
- Reference
- 310.55.42.50.13.001
- Movement
- 3861
- Movement Features
- 
                                - Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
 
- Case
- Sedna Gold 42mm
- Dial Color
- Brown
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
2021 OMEGA Speedmaster Racing - 326.30.40.50.01.001326.30.40.50.01.001
                            
                                A 2021 OMEGA Speedmaster Racing, featuring a 40mm stainless steel case with scratch-resistant sapphire crystal and 100m water resistance.
                                                       
                            
                    
                    
                    
                - Condition: Like New
- Case Size: 40mm diameter
- Material: stainless steel
- Crystal: scratch-resistant sapphire crystal
 
                    Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( new / 2025 )
                            
                                This Omega Speedmaster Racing Master Co-Axial features a white dial and stainless steel case.
                                                       
                            
                    
                    
                    
                - Condition: Brand new
- Case size: 44.25mm
- Movement type: Master Co-Axial 9900 Chronometer
Omega Speedmaster Professional Man on The Moon 3572.50
                            
                                This Omega Speedmaster Professional Man on the Moon watch is approximately 20 years old, featuring nice patina hour markers and an open case back to view the manual wind movement.
                                                       
                            
                    
                    
                    
                - Age: around 20 years
- Case size: 42mm diameter
- Box included: true
 
                    Omega SPEEDMASTER PROFESSIONAL MOONWATCH 3861 SAPPHIRE 2023 COMPLETE SET
                            
                                A 42mm stainless steel Omega Speedmaster Professional Moonwatch with a 3861 movement and sapphire crystals, purchased from an authorized dealer in 2023.
                                                       
                            
                    
                    
                    
                - Condition: Excellent Condition
- Movement: Manual-Winding Chronograph 3861 with Co-Axial Escapement
- Case size: 42mm
- Crystals: Sapphire Crystals
 
                    >>ReDuCeD<< OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69
                            
                                This is a pre-moon Omega Speedmaster Professional with calibre 861, featuring a 42mm diameter case and generic tan strap.
                                                       
                            
                    
                    
                    
                - Condition: Good vintage condition
- Movement: Omega calibre 861
- Case size: 42mm in diameter
- Serial number: 29 million from 1970
 
                    Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001
                            
                                This Omega Speedmaster Professional Tokyo 2020 is in excellent condition and comes with original boxes and books.
                                                       
                            
                    
                    
                    
                - Condition: Excellent condition
- Warranty card: no warranty card
 
                    2022 Omega Speedmaster Pro. Moonwatch 42mm 310.30.42.50.01.002 Black Dial
                            
                                This is a 2022 Omega Speedmaster Professional Moonwatch with a 42mm stainless steel black dial.
                                                       
                            
                    
                    
                    
                - Condition: Excellent overall condition
- Size: 8.0 inch wrist (Full Links)
- Inclusions: Original Double Omega boxed,Box and Papers,International Warranty card dated 2022,5 year manufacturer warranty,Pictograms & Master Chronometer cards,Operating Instructions,Speedmaster Legendary Moonwatch Booklet,Cleaning Cloth
- Warranty: 5 year manufacturer warranty
 
                    NEW 2021 Omega Speedmaster Moonwatch "Ed White" 39.7mm 311.30.40.30.01.001 Black
                            
                                A new Omega Speedmaster Moonwatch "Ed White" with a black dial, featuring a 39.7mm case size.
                                                       
                            
                    
                    
                    
                - Condition: Brand New/Unworn
- Box And Papers: Yes
- Warranty: 5 year manufacturer warranty
- Size: 8.0inch wrist (Full Links)
 
                    2024 Omega Speedmaster Moonwatch Pro. 42mm Stainless Steel White Dial Chrono
                            
                                The Omega Speedmaster Moonwatch Professional is a stainless steel watch with a white dial and chronograph function, featuring a 42mm case size.
                                                       
                            
                    
                    
                    
                - Condition: excellent overall condition
- Case Size: 42mm diameter
