Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet
Reference 310.55.42.50.51.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold is a stunning blend of luxury and functionality, with its Sedna gold construction and intricate chronograph features. The watch's sheer elegance is undeniable, with a black sunburst finish contrasting beautifully with gem-set indexes and ruby accents. Certified as a Master Chronometer by METAS, the Omega caliber 3861 movement is an engineering marvel, resistant to magnetic fields up to 15,000 gauss. With small seconds, hours, and minutes hands, the chronograph functionality offers precision timing. The watch's durability is also noteworthy, with sapphire glass adding scratch resistance. The Sedna gold bracelet ensures a secure fit, while its adjustability makes it comfortable for wearers of all wrist sizes. This timepiece is not just a luxury item but a conversation starter, status symbol, and piece of horological history.
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Key Features
- Omega caliber 3861 movement with Co-Axial escapement and silicon balance spring
- Sedna gold construction with gem-set indexes and ruby accents
- 50m water resistance with sapphire glass scratch resistance
- Chronograph functionality with small seconds, hours, and minutes hands
- Adjustable Sedna gold bracelet for secure fit on all wrist sizes
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet
- Reference
- 310.55.42.50.51.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Sedna Gold 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Chronoscope Co-Axial 43mm 329.30.43.51.02.001](https://external-preview.redd.it/DKcSLDkuCFoiIoa6Yt014FxbHQuc6slDQT9g95XHZDU.jpeg?auto=webp&s=9937177aac8110a57acf2e914e918b7da496662f)
Omega Speedmaster Chronoscope Co-Axial 43mm 329.30.43.51.02.001
This Omega Speedmaster Chronoscope features a unique design with three timing scales, including a tachymeter scale, pulsometer scale, and telemeter scale. The watch comes with its original packaging and accessories.
- Condition: Excellent
- Case Size: 43mm
- Box And Papers: true

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002
This pre-owned Omega Speedmaster Pilot is a stainless steel watch with a black dial and automatic movement. It has a 41mm case size and water resistance of up to 100 meters.
- Condition: 96% condition with faint marks on the sides and back of the case, 93% condition for the bracelet, and 97% condition for an OEM strap
- Material: Stainless Steel
- Dial color: Black
- Case size: 41mm diameter
![[WTS] Omega Speedmaster Hesalite 3861 with quick adjust bracelet](https://external-preview.redd.it/Dm4Qol7OuXJwyI2YnfqLXXDc2Sn8F66McyAdd3bvEeo.jpeg?auto=webp&s=d7863c961700a846914bdf9dd3f206d1ccc7493b)
Omega Speedmaster Hesalite 3861 with quick adjust bracelet
This Omega Speedmaster Hesalite 3861 is in excellent condition, featuring a quick adjust bracelet and minimal wear. It comes with the full kit, including warranty cards, spare links, paperwork, and an original sales receipt.
- Condition: Excellent
- Crystal type: Hesalite
- Bracelet type: Quick adjust
- Movement accuracy: +0 to +5 seconds per day
Omega Speedmaster. Tokyo Edition. Rare Bird. Omega Serviced 2024. Clean.
This Omega Speedmaster Tokyo Edition is a rare and highly sought-after timepiece, featuring a clean condition and recent service from Omega in 2024.
- Condition: Clean
- Case size: 42mm diameter
![[WTS] Omega Speedmaster Moonwatch Professional 310.32.42.50.01.002 - Full Set – 2/3/24 - Barely Worn (US ONLY)](https://external-preview.redd.it/1WN8HTxAvuLsprhwyt5Qvxq2fiyJdVdHFjrj9qFzC2I.jpg?auto=webp&s=120dee063c8cb5d078c6c66e1455c0a06aff7263)
Omega Speedmaster Moonwatch Professional 310.32.42.50.01.002 - Full Set – 2/3/24 - Barely Worn (US ONLY)
A black dial Omega Speedmaster Moonwatch Professional, purchased new on 2/3/24, with a 42mm case and black leather strap.
- Condition: Barely worn
- Case size: 42mm
- Bezel condition: Almost microscopic mark at :59 on the dial
![[WTS] Omega Speedmaster. Moonwatch $2250.00](https://external-preview.redd.it/3vG8GwrU93BdmPCDgdPOTrVkZC2cp0c69XTWJuuNK3I.jpeg?auto=webp&s=d2539b444b3cbd771032afd93ffa9dea9920d470)
Omega Speedmaster. Moonwatch $2250.00
A Omega Speedmaster Moonwatch with its original box and manual is being sold.
- Box: yes, included
![[WTS] Omega Speedmaster. Tokyo Edition. Rare Bird. Omega Serviced 2024. Clean.](https://preview.redd.it/4xyo7bl9kp7f1.jpeg?auto=webp&s=a7a2408857b2e2d22c7047601c361bcb4da84988)
Omega Speedmaster. Tokyo Edition. Rare Bird. Omega Serviced 2024. Clean.
This Omega Speedmaster Tokyo Edition features a rare design and has been serviced by Omega in 2024. It comes with the original service box, links, and service papers.
- Case Dimensions: 42mm diameter
- Serviced By: Omega
- Service Year: 2024
Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00
A 38mm Omega Speedmaster Reduced Mop Dial Automatic, a chronograph watch with a mechanical automatic movement and stainless steel case.
- Condition: 90%
- Size: 38mm diameter
- Case material: Stainless Steel
- Movement type: Mechanical Automatic

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002
A pre-owned Omega Speedmaster Pilot with a black dial, automatic movement, 41mm stainless steel case, and water resistance to 100 meters.
- Condition: Pre-owned, with faint marks on the sides and back of the case (96%), slight marks on the links and clasp (93%), minor wear on an OEM strap (97%)
- Case size: 41mm diameter
- Material: Stainless Steel
- Dial color: Black