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
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Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤
Very rare and fully original Omega Speedmaster Moonwatch 145.022-69 in beautiful condition, featuring a deep, even transformation with heavy yellow patina across all indices and matching hands.
- Case Size: 42mm
- Year Made: 1969
- Movement Status: serviced in November 2025
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Omega Speedmaster. 39mm. Triple Date. Clean.
This Omega Speedmaster is a 39mm triple date model with clean condition.
- Condition: Clean
- Case Size: 39mm
- Location: NJ USA
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Omega Speedmaster 1957 / Broad Arrow Automatic Chrono 42mm Black Gloss Dial - Cal. 3313 High Horology Co Axial Column Wheel - Full Kit 09/2012 - $4,250 shipped CONUS
This Omega Speedmaster 1957 Broad Arrow chronograph is a full kit with warranty card dated September 2012. It features a high horology Frederic Piguet based movement with a column wheel and Co Axial escapement.
- Condition: Excellent (minor wear on bezel and bracelet)
- Movement: Omega Caliber 3313 (Frederic Piguet based) with Co Axial escapement and column wheel
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Omega Speedmaster Broad Arrow Olympics 2012 – Gloss White Porcelain-Like Dial • Heat-Blued Hands • Cal. 3313 Co-Axial Column-Wheel Automatic Chrono • Rubber B Croc SwimSkin Strap - $2,600 Shipped CONUS
The Omega Speedmaster Broad Arrow Olympics 2012 features a gloss white, porcelain-like dial with sunken subdials and heat-blued hands. It has a classic, beautiful design and is extremely refined.
- Condition: Excellent, recently pressure-tested
- Case Dimensions: case dimensions and proportions are extremely close to a Moonwatch
- Movement: Omega Caliber 3313, column-wheel, Co-Axial chronograph movement
- Straps: Rubber B Crocodile SwimSkin strap, retails for over $300
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Omega Speedmaster Moonphase — 2022 Full Set + Extras — $7,750 OBO
This Omega Speedmaster Moonphase is a Co-Axial Master Chronometer with Ref: 304.30.44.52.01.001, dated 2022. It's available as a full set with OEM extras.
- Condition: Very Good
- Year: 2022
- Case condition: honest clasp wear
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Omega Speedmaster Professional Moonwatch White ref. 310.30.42.50.04.001
This Omega Speedmaster Professional Moonwatch White features a manual wind 3861 caliber movement in a sapphire sandwich configuration, with a white lacquered dial inspired by vintage iterations.
- Condition: Minimal signs of wear, super healthy on Timegrapher
- Case size: 42mm diameter
- Movement: Manual wind 3861 caliber movement
- Crystal: Sapphire sandwich configuration with top crystal and exhibition caseback
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2024 Omega Speedmaster Moonphase - Box and Papers
2024 Omega Speedmaster Moonphase with blue sun-brushed dial and ceramic bezel, powered by OMG 9904 movement.
- Condition: Really nice used condition with a few very light marks
- Case size: 44.25mm
- Movement power reserve: 60 hours
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This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, sold with its box and papers.
- Condition: Mint, like-new condition
- Case material: full-ceramic
- Year: 2019
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Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories
This listing features the Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition, a commemorative watch marking the brand’s iconic design.
- Condition: Excellent pre-owned
- Accessories: booklets, straps, strap changer, travel case, tag, Double box
- Condition Detail: Undated card