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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The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a skeletonized dial with laser-ablated lunar surface details.
- Condition: UNWORN
- Case material: black ceramic
- Case diameter: 44.25mm
- Movement: Calibre 1869
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The OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk.
- Condition: UNWORN
- Movement: Calibre 321 column-wheel chronograph movement
- Case size: 39.7mm diameter
- Bezel material: black ceramic
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2025 UNWORN OMEGA SPEEDMASTER WHITE DIAL 310.30.42.50.04.001 $7799
2025 Omega Speedmaster with a white dial for sale.
- Condition: Unworn
- Dial color: white
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This Omega Speedmaster 'Reduced' model features a Triple Date layout and is known for its vintage charm, clean dial, and sharp lugs.
- Condition: Excellent / Serviced 2025
- Movement Type: Automatic
- Bracelet: Original steel with additional links
- Shipping Location: New York City
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- Condition: Excellent
- Warranty Expiration: May 2027
- Size: for 7.5” wrist
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- Condition: great condition with light signs of wear
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OMEGA SPEEDMASTER 145.022-69 PREMOON
A charming vintage chronograph with a great dial and original DO90 bezel, sold with an original Omega bracelet.
- Condition: Pre-owned, with signs of wear
- Bracelet type: Original 1039
- Clasp type: Omega clasp
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Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)
This Omega Speedmaster Professional Moonwatch features a black tritium dial with even yellow patina and is presented in its original state with period-correct details.
- Condition: Very good overall shape, original condition with some polishing on the case
- Year: 1978
- Size: 42mm diameter
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