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

Omega Moonshine Gold Panda Speedmaster Professional Moonwatch Box Papers
This is a Moonshine Gold Omega Speedmaster Professional Moonwatch with a Panda dial, featuring an 18k gold case and manual winding co-axial movement with 50 hour power reserve.
- Condition: Near Mint (96%)
- Case material: 18k gold
- Diameter: 42mm
- Movement: Omega Caliber 3861

Omega SPEEDMASTER CALIBRE 321 ED WHITE MOONWATCH 2023 WARRANTY FULL SET
A 2023 Omega Speedmaster Professional Moonwatch Calibre 321 in stainless steel with manual-winding chronograph movement and sapphire crystals, featuring a 39.7mm diameter case.
- Condition: Excellent, unpolished condition
- Movement: Calibre 321
- Case material: Stainless Steel
- Crystal material: Sapphire
Omega Speedmaster Moonwatch Sapphire 310.30.42.50.01.002 LNIB 2023
This Omega Speedmaster Moonwatch is a wonderful timepiece that comes with all the original accessories, including links, tag, and three dated cards from 2023.
- Condition: Like new in box (LNIB)
- Shipping insurance type: WW insured shipping
- Payment methods: bank wire or credit cards + fee's

2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Steel Black Dial
This is a 2021 Omega Speedmaster Moonwatch 42mm watch with a stainless steel black dial and Hesalite crystal.
- Condition: Excellent overall condition
- Original boxed: true
- Papers included: true
- Warranty card date: 2021

Omega SPEEDMASTER PROFESSIONAL MOONWATCH WHITE DIAL 2024 WARRANTY FULL SET
This is a new 2024 Omega Speedmaster Professional Moonwatch with a stainless steel case and white dial. It features a manual-winding chronograph movement with co-axial escapement.
- Condition: Excellent, unpolished condition
- Movement: 3861, manual-winding chronograph
- Case size: 42mm diameter
- Crystals: Sapphire crystals
Omega Speedmaster Snoopy 11/2024 Brand New
This Omega Speedmaster Snoopy is a brand new watch, released in November 2024. It features the iconic Snoopy design and comes with all original packaging and documentation.
- Condition: New
- Status: Brand New
- Year Of Release: 2024

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )
This listing is for an Omega Speedmaster Moonwatch Professional White Dial Sapphire on Bracelet, a high-end watch with a stainless steel case and Master Chronometer movement.
- Condition: Excellent
- Case size: 42mm
- Movement: Master Chronometer Movement

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)
This Omega Speedmaster Moonwatch Professional Sapphire features a 42mm stainless steel case and is powered by the Omega Master Chronometer movement.
- Condition: Excellent
- Case size: 42mm diameter
- Movement: Omega Master Chronometer Movement
Omega Speedmaster Day-Date Moonphase White Dial Chronograph 18K/SS 3730.20
This Omega Speedmaster Day-Date Moonphase features a white dial and chronograph function, housed in a stainless steel case with an 18K gold accent.
- Condition: 95%
- Size: 39mm
- Case material: Stainless Steel / 18K gold accent
- Movement type: Mechanical Automatic