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 Speedmaster professional moonwatch

Omega Speedmaster professional moonwatch

This Omega Speedmaster Professional Moonwatch is a highly sought after model from August 2020, featuring a stainless steel case and a black dial.

  • Condition: amazing condition
  • Caliber: 1861 movement
  • Case material: Stainless Steel
  • Glass type: Hesalite
Posted at
Jan 30, 2025, 7:43 PM
Active
2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)

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A 2020 Omega Speedmaster First Omega In Space "FOIS" with a modded dial, featuring an authentic Omega black chronograph dial and applied logo for a vintage charm.

  • Condition: Excellent
  • Case size: 40mm
  • Serial number: 78,8XX,XXX
  • Edition number: 14xxx
Posted at
Jan 30, 2025, 7:20 PM
Active
1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers

1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers

Omega - 3594.50 · $3,850
A 1999 Omega Speedmaster Broad Arrow with a 42mm case and excellent condition stainless steel bezel, black dial, and broad arrow hands. It comes with the original box, papers, booklet holder, and warranty card.

  • Condition: Excellent
  • Case size: 42mm
  • Bracelet links: 15
  • End links: 840
Posted at
Jan 30, 2025, 7:18 PM
Active
1992 Omega Speedmaster Ref: 3590.50 with Patina

1992 Omega Speedmaster Ref: 3590.50 with Patina

Omega - 3590.50 · $4,350
This 1992 Omega Speedmaster features a 42mm case, black bezel, tritium dial, and 1479 Omega bracelet.

  • Condition: Excellent with some light wear and patina
  • Serial Number: 48,28X,XXX
  • Bracelet Length: 19 links
Posted at
Jan 30, 2025, 7:18 PM
Active
1993 Omega Speedmaster Ref: 3590.50�Sharp Case

1993 Omega Speedmaster Ref: 3590.50�Sharp Case

Omega - 3590.50 · $4,150
A 1993 Omega Speedmaster Ref: 3590.50 with a sharp case, excellent bezel and insert, tritium dial with aged patina, and an excellent 1479 Omega bracelet.

  • Condition: Excellent with light wear from use
  • Case size: 42mm
  • Serial number: 48,29X,XXX
Posted at
Jan 30, 2025, 7:17 PM
Active
Omega Speedmaster Chronoscope Blue 329.30.43.51.03.001

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The Omega Speedmaster Chronoscope Blue is a complete set with box and papers, and comes with the original manufacturer's warranty until July 2029.

  • Condition: Excellent condition, with just light wear visible on close inspection
  • Warranty Valid Until: July 2029
  • Shipping Method: FedEx Priority
Posted at
Jan 30, 2025, 3:48 AM
Active
OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69 Unpolished

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OMEGA - 145.022-69ST · $3,750
A pre-moon Omega Speedmaster Professional reference 145.022-69ST featuring a calibre 861 movement and hippocampus caseback.

  • Condition: Good vintage condition
  • Movement caliber: 861
  • Case diameter: 42 mm
  • Bezel hands status: newer replacements
Posted at
Jan 29, 2025, 2:20 PM
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Omega Speedmaster Date 18K PG/ SS Mens Watch 3316.50

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The Omega Speedmaster Date is a chronograph watch with a date function and mechanical automatic movement, housed in a stainless steel and 18K pink gold case.

  • Condition: 90%
  • Case material: Stainless Steel/ 18K Pink Gold
  • Movement type: Mechanical Automatic
Posted at
Jan 28, 2025, 9:24 AM
Active
NEW UNWORN 2025 Omega Speedmaster �Silver Snoopy Award� 310.32.42.50.02.001

NEW UNWORN 2025 Omega Speedmaster �Silver Snoopy Award� 310.32.42.50.02.001

Omega - 310.32.42.50.02.001 · $15,790
The Omega Speedmaster 'Silver Snoopy Award' is a limited-edition timepiece that celebrates Omega's contributions to space exploration and the Apollo 13 mission.

  • Condition: New, unworn
  • Case material: stainless steel
  • Dial color: silver
  • Bezel material: blue ceramic
Posted at
Jan 27, 2025, 11:35 AM
Active