Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet

Reference 310.55.42.50.13.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet is a masterpiece of horology, blending art, history, and cutting-edge technology. Crafted from Sedna Gold, this watch boasts a unique color that's both warm and striking. Its round shape and sunburst brown finish give it a luxurious feel, while the diamond-set bezel adds a touch of elegance. The 3861 is equipped with a chronograph feature, allowing you to measure elapsed time with precision. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a co-axial escapement and silicon balance spring for accuracy and reliability. Master Chronometer certified by METAS, this watch has undergone rigorous testing to withstand magnetic fields of up to 15,000 gauss. Its sleek design and exceptional craftsmanship make it a standout in any collection. Whether you're at a formal event or a casual outing, this watch is sure to turn heads.
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Key Features

  • Sedna Gold case
  • Manual-winding chronograph movement
  • Co-axial escapement and silicon balance spring
  • Master Chronometer certified by METAS
  • Diamond-set bezel
  • Water resistance up to 50 meters
  • 42.00 mm diameter and 13.18 mm height

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet
Reference
310.55.42.50.13.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Sedna Gold 42mm
Dial Color
Brown
Crystal
Sapphire
Water Resistance
50

Current Listings

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )

Up for sale is an excellent condition Omega Speedmaster Moonwatch Professional White Dial Sapphire on Bracelet, reference # 310.30.42.50.04.001 It comes with all boxes, papers, booklets, and Omega Warranty Card dated August 2024.

  • Condition: Excellent
  • Case Size: 42mm
  • Material: Stainless Steel
Posted at
Mar 5, 2025, 3:49 PM
Active
Omega Speedmaster Racing - 44.25mm - Orange - 329.32.44.51.01.001 (excellent)

Omega Speedmaster Racing - 44.25mm - Orange - 329.32.44.51.01.001 (excellent)

A black and orange dial Omega Speedmaster Racing in excellent condition, complete with all original boxes, papers, and warranty card.

  • Condition: Excellent
  • Case Size: 44.25mm
  • Movement Type: Master Co-Axial 9900 Chronometer
Posted at
Mar 5, 2025, 3:49 PM
Active
Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001

Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001

This Omega Speedmaster Professional Moonwatch comes in excellent condition and includes various accessories such as boxes, book, velcro strap, nato strap, and warranty card.

  • Condition: Excellent condition
  • Shipping: yes
Posted at
Mar 5, 2025, 3:27 PM
Active
Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001

Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001

A 2020 Omega Speedmaster Professional edition, featuring a distinctive design and high-quality materials. This watch comes with its original boxes and books, but note that the warranty card is missing.

  • Condition: Excellent condition
  • Boxes: 1
  • Books: 1
Posted at
Mar 5, 2025, 3:26 PM
Active
�Reduced Price� OMEGA Speedmaster Racing 329.32.44.51.06.001

�Reduced Price� OMEGA Speedmaster Racing 329.32.44.51.06.001

The OMEGA Speedmaster Racing features a striking design with a bold black dial and orange accents, built for the discerning watch enthusiast.

  • Condition: Excellent, lightly worn
  • Movement: Caliber 9900 Certified chronometer
  • Case size: 44.25mm diameter
  • Water resistance: 50m depth rating
Posted at
Mar 5, 2025, 12:44 PM
Active
NEW Omega Apollo 8 Speedmaster Dark Side of the Moon Rocket Second Hand 2024

NEW Omega Apollo 8 Speedmaster Dark Side of the Moon Rocket Second Hand 2024

Omega - 310.92.44.50.01.001 · $11,250
A new Omega Speedmaster Apollo 8 Dark Side of the Moon, featuring a 44.25mm ceramic case and manual winding caliber 3869 with skeletonised movement.

  • Condition: Brand New
  • Case material: ceramic
  • Case size: 44.25mm diameter
Posted at
Mar 5, 2025, 12:13 PM
Active
Omega Speedmaster Moonwatch - 310.30.42.50.04.001 - White - Steel - 42mm - LNIB

Omega Speedmaster Moonwatch - 310.30.42.50.04.001 - White - Steel - 42mm - LNIB

Omega Speedmaster Moonwatch 'Professional' in white, stainless steel case with manual winding movement.

  • Condition: Pre-Owned Like New
  • Case size: 42mm
  • Bracelet type: Stainless Steel
  • Dial color: White
Posted at
Mar 4, 2025, 9:43 PM
Active
2012 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers

2012 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers

Omega - 3539.50 · $3,950
The Omega Speedmaster Reduced Automatic is a great entry into Omega, featuring a scratch-resistant sapphire crystal and fold-over clasp. This super luminova example is in excellent pre-owned condition with no major flaws to note.

  • Condition: Excellent
  • Movement: Automatic
  • Case width: 39mm diameter
  • Strap length: 7.50"
Posted at
Mar 4, 2025, 1:16 PM
Active
Omega SPEEDMASTER SILVER SNOOPY AWARD 50TH ANNIVERSARY EXTRA 3861 BRACELET 2025

Omega SPEEDMASTER SILVER SNOOPY AWARD 50TH ANNIVERSARY EXTRA 3861 BRACELET 2025

This 2025 Omega Speedmaster Professional Moonwatch is a 50th Anniversary Silver Snoopy Award model with a silver dial and blue subdials. It comes with a stainless steel case on a new blue fabric strap and a steel tang buckle.

  • Condition: Mint, Unpolished Condition
  • Case Size: 42mm
  • Bracelet Type: Omega 3861 Speedmaster PCL Bracelet (extra)
  • Warranty Left: Under 5 years factory warranty
Posted at
Mar 3, 2025, 7:17 PM
Active