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 3861 Speedmaster Professional Moonwatch Hesalite Box Papers Warranty
A stainless steel Omega Speedmaster Professional Moonwatch with a black dial and hesalite crystal, featuring the Caliber 3861 manual winding co-axial movement.
- Condition: Near Mint, 96%
- Case size: 42mm
- Bracelet type: Stainless Steel Bracelet
- Movement: Omega Caliber 3861 Manual Winding Co-Axial Movement
Omega Speedmaster Automatic Chronograph Date 3813.53
A 39mm stainless steel Omega Speedmaster Automatic Chronograph Date watch powered by a mechanical automatic movement.
- Condition: 90%
- Size: 39mm
- Case material: stainless steel

Omega Speedmaster Ed White 311.30.40.30.01.001 � 2021
This Omega Speedmaster Ed White is the recently released, Cal 321 model, featuring an exhibition box, booklets, accessories, and a COSC-certified movement. It comes in excellent condition with a few minor imperfections.
- Condition: Excellent with some light hairlines and marks
- Case dimensions: 40mm diameter
- Bracelet length: adjusts to fit around a 7.75" wrist

Omega Speedmaster Professional Anniversary Series FOIS 310.30.40.50.06.001 2024
This Omega Speedmaster Professional is a newly released anniversary series 'First Omega in Space' featuring a domed sapphire crystal and black dial.
- Condition: Excellent
- Case condition: A few light hairlines and marks
- Bracelet condition: A few faint swirls and hairlines
- Bracelet size: fits around a 7.75 inch wrist

>>ReDuCeD<< OMEGA SPEEDMASTER MARK III 176.002
A Vintage Omega Speedmaster Mark III in Stainless Steel, featuring an automatic chronograph movement and silver dial with blue accents.
- Condition: Very good condition with refinished case
- Movement: Omega 1040 (based on Lemania)
- Bracelet size: fits up to 7.5"
- Caseback: seen in listing

2020 Omega Speedmaster Ref: 522.30.42.30.03.001 Tokyo 2020 Olympics with B+P
The watch is a 2020 Omega Speedmaster Ref: 522.30.42.30.03.001, a limited edition model produced for the Tokyo 2020 Olympics. It features a 42mm case with a blue tachymeter bezel and a blue dial with traditional Speedmaster stick markers and white sub-dials.
- Condition: Excellent
- Case size: 42mm
- Bracelet links: 15
- Accessories included: inner box, outer box, booklets, hang tag, limited edition certificate, warranty cards

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)
This is a 2020 Omega Speedmaster First Omega In Space 'FOIS' reference number 311.32.40.30.01.001, with a modded dial installed, giving it vintage charm.
- Condition: Excellent
- Case size: 40mm
- Edition: 14xxx (numbered edition)
- Bezel condition: Excellent black tachymeter bezel

1993 Omega Speedmaster Ref: 3590.50�Sharp Case
This is a 1993 Omega Speedmaster with a sharp case and excellent condition black bezel, tritium dial, and 1479 Omega bracelet.
- Condition: Excellent
- Case size: 42mm
- Bezel condition: black bezel in excellent condition
- Serial number: 48,29X,XXX

1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers
This 1999 Omega Speedmaster Broad Arrow features a 42mm stainless steel case with a black chronograph dial and broad arrow hands.
- Condition: Excellent
- Case size: 42mm diameter
- Bracelet links: 15 + 840 end links
- Box and papers included: yes