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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- 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800
This 1985 Omega Speedmaster Professional features a 42mm stainless steel case with a matte black tritium dial and black aluminum bezel insert. The watch has developed a beautiful patina over time, and the lume has aged to a cappuccino-like hue.
- Condition: Excellent, unpolished condition with light wear for its age
- Case size: 42mm
- Bracelet length: Up to 19.5 cm / 7.67"
- Crystal material: Hesalite
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Omega Speedmaster 3590.50 Serviced with Extra Omega Straps
The Omega Speedmaster 3590.50 is a vintage classic featuring the historic caliber 861, with an original tritium dial and hands.
- Condition: Good
- Year: 1994/95
- Case width: 42mm
- Movement: 861
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Omega / Speedmaster date / Silver Dial / 40mm / Full Set
This Omega Speedmaster date features a silver dial and a 40mm case, making it suitable for smaller wrists.
- Condition: Excellent
- Diameter: 40mm
- Includes: Double boxed, all three cards filled out, card holder, manual booklet
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Omega Speedmaster Racing Blue 326.30.40.50.03.001 w Pictograms
This Omega Speedmaster Racing watch features a clean crystal and bezel insert, along with a healthy movement.
- Condition: Preowned, with minor scratches/dings
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Omega Speedmaster Date 3210.50 Black Dial $1,999
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look.
- Condition: good pre-owned
- Case size: 40mm diameter
- Lug-to-lug: 45mm length
- Lug width: 19mm width
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Omega Speedmaster Silver Snoopy 50th Anniversary 310.32.42.50.02.001 ( new / 2025 / box and papers )
This Omega Speedmaster Moonwatch is a brand new Silver Snoopy Award 50th Anniversary model, featuring a 42mm stainless steel case and the Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm
- Movement type: Master Chronometer
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Omega Speedmaster Dark Side of the Moon 44.25mm 310.92.44.51.01.002 ( new / 2025 / box and papers )
The Omega Speedmaster Dark Side of the Moon is a high-end watch with a black ceramic case and Co-Axial Calibre 9900 movement.
- Condition: Brand new
- Case material: Black ceramic
- Diameter: 44.25mm
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Omega Speedmaster Apollo 17
This rare Omega Speedmaster Apollo 17 is one of only 1972 pieces ever made, featuring a good condition and no major marks on the bracelet or watch.
- Condition: Good
- Production run size: 1972 pieces
- Bracelet condition: No major marks
- Wrist size requirement: 7.3 inches
![[WTS] Omega Speedmaster Snoopy New 5/2026, $15.5k](https://preview.redd.it/lpadrfctkbzg1.jpg?width=640&crop=smart&auto=webp&s=6eebfaa337b8aab4cf8bab3413aa01b73753866c)
Omega Speedmaster Snoopy New 5/2026, $15.5k
This is a listing for an Omega Speedmaster Snoopy, a new watch with a reference number of 310.32.42.50.02.001. The watch comes in its original box and has a dated warranty.
- Condition: New
- Shipping Cost: $100 Shipping for USA
- Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
- Warranty Duration: 2 years (2026-2028)