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
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OMEGA X SWATCH Speedmaster Uranus
A Speedmaster watch, purchased on vacation in Thessaloniki Greece, that has been worn less than 5 times and is not suited for the seller's lifestyle.
- Condition: Very good
![[WTS] OMEGA X SWATCH Speedmaster Pluto](https://preview.redd.it/wx0hqigv4hog1.jpg?width=640&crop=smart&auto=webp&s=cb1bce63f15a25cae6a21f3d860dd8a86a515b40)
OMEGA X SWATCH Speedmaster Pluto
- Condition: Excellent, possibly only worn once
- Origin: Purchased in Paris at the Le Marais boutique
![[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract](https://external-preview.redd.it/cmNvaXYzOGh2Z29nMURhM09vLxeiatrpSbqJnyc2Jk9x-CPLK7F1ESgpNcSF.png?format=pjpg&auto=webp&s=03bbc26f495dca974a35f4863ac48651ca22f903)
1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract
A 1991 Omega Speedmaster Moonwatch in excellent condition with tritium dial and hands, original Omega hesalite crystal, and a 1479/812 bracelet.
- Condition: excellent vintage
- Movement: caliber 861
- Serial number: 482774XX
- Bracelet size: 6.8"
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Omega Speedmaster Chronogaph Blue Navy Dial Ref : 3511.80 Price 1600$
A blue navy dial Omega Speedmaster Chronograph in perfect working condition, serviced recently.
- Condition: Good condition
- Diameter: 38mm
- Movement type: Automatic
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Omega Speedmaster Reduced 3510.50 39mm Watch Only $2,500
A Speedmaster Reduced from Omega, a watch only sale with the bracelet fitting about 18cm wrists.
- Shipping origin: Singapore
- Shipping to usa: 4-5 business days
- Payment methods: Wise, Revolut, Wire Transfer, Crypto, Venmo
![[WTS] Omega Speedmaster Professional Moonwatch (Hesalite)](https://preview.redd.it/dp49kun6acog1.jpg?width=640&crop=smart&auto=webp&s=175830123b30cf6417e7b52ba5eb4e6e75472d84)
Omega Speedmaster Professional Moonwatch (Hesalite)
This modern Omega Speedmaster Professional Moonwatch features Master Chronometer technology, a stainless steel case, and a black anodized aluminum tachymeter bezel.
- Condition: Excellent
- Case size: 42mm
- Movement type: Co-Axial Master Chronometer Caliber 3861
- Power reserve: 50 hours
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Omega Speedmaster Automatic Day-Date 3520.50.00 MK 40 | Great Condition (Serviced) | $2450
The Omega Speedmaster Automatic Day-Date features a stainless steel case with a twisted-lug design and domed sapphire crystal, powered by the modified Valjoux 7751 automatic chronograph movement.
- Condition: Great condition, serviced
- Movement: Omega 1151 (modified Valjoux 7751)
- Case dimensions: 39mm diameter, 44.75mm lug-to-lug, 14mm thick
- Lug width: 18mm
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Omega Speedmaster Reverse 🔥BNIB 3/2026, $10.5k +Shipping🔥
The Omega Speedmaster Reverse is being sold as a brand new watch with a reference number of 310.30.42.50.01.004.
- Condition: Brand New
- Serial Number: not found
- Depth Rating: not found
- Water Resistance: not found
![[WTS] Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO](https://preview.redd.it/aioeg4yjobog1.jpg?width=640&crop=smart&auto=webp&s=c2bb7d52f4fdfb6e8c84c64737ff32a0777c567b)
Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO
This Omega Speedmaster Professional Moonwatch features a stainless steel case with a black dial and Hesalite crystal, powered by a manual wind mechanical movement.
- Condition: Very Good Condition
- Case Dimensions: 42mm diameter
- Bezel: stainless steel black
- Dial Color: black