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.
Buy Now on Jomashop
This is an affiliate link
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 Professional ‘Silver Snoopy Award’ with box and papers](https://preview.redd.it/jdez4xk27ehf1.jpg?width=640&crop=smart&auto=webp&s=b08051f3a7b8b94dd92d45fa0304d793ccd386e4)
![[WTS] Omega Speedmaster Professional Moonwatch cal. 861 circa 1996](https://preview.redd.it/aplnftqssahf1.jpeg?auto=webp&s=5f4ec8bca0bdee0476ade555b8da5f754d498dca)
![[WTS] 2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary 310.32.42.50.02.001 Full Set](https://preview.redd.it/0n37khufiahf1.jpg?width=640&crop=smart&auto=webp&s=8584b47cfbe9cb996c2ccb65de1555c4b53fbc64)
![[WTS] Omega Speedmaster Reduced 3510.50 $2,400](https://preview.redd.it/tou02cehcahf1.jpg?width=640&crop=smart&auto=webp&s=168a79c03ffb5e9d51d6eb964b71b9f5671eb039)
![[WTS] Omega Speedmaster Mark II Racing Dial – Ref. 145.014 – 1972/73 – Just Serviced – $3200 Shipped CONUS OBO](https://preview.redd.it/6vxfvvzr6ahf1.jpg?width=640&crop=smart&auto=webp&s=1f68092fc2ca69a2720f03d5c5c56f6a8a353141)
![[WTS] 2025 Omega Speedmaster Apollo 13th 50th Anniversary Snoopy $14,900 obo](https://preview.redd.it/d4omz63xg9hf1.jpg?width=640&crop=smart&auto=webp&s=fabe9bfdd957c8b3c790b89bffbd27bfe4a21107)
![[WTS] 2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary 310.32.42.50.02.001](https://preview.redd.it/zxvgqnyac9hf1.jpg?width=640&crop=smart&auto=webp&s=0f287197e07c29efe493c8c23e15d8ab8c011966)
![[WTS] 🏁 LNIB Omega Speedmaster Moonwatch Professional “White Dial” – Ref. 310.30.42.50.04.001 – Excellent Condition 2025 – Full Set 🐼🔥](https://preview.redd.it/j1ylibmd89hf1.jpg?width=640&crop=smart&auto=webp&s=da831cf5361a3241d34bfec265fcc2bb849940c2)
![[WTS] Omega Speedmaster Broad Arrow 3594.50 (Full Kit)](https://preview.redd.it/k9g8stq0z8hf1.png?width=640&crop=smart&auto=webp&s=93f2db867c0447c1e6cfb43034fd9859466cac52)