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

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A 2024 Omega Speedmaster FOIS in Soleil Blue, purchased at an Omega Boutique and sized to a 7 inch wrist.

  • Condition: Pre-owned, lightly worn
  • Purchase Year: 2024
  • Warranty: No mention of warranty
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Feb 9, 2025, 9:33 AM
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  • Condition: 90%
  • Case material: 18K Yellow Gold
  • Movement type: Mechanical Automatic
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Feb 9, 2025, 9:19 AM
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2021 OMEGA Speedmaster Racing - 326.30.40.50.01.001326.30.40.50.01.001

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A 2021 OMEGA Speedmaster Racing, featuring a 40mm stainless steel case with scratch-resistant sapphire crystal and 100m water resistance.

  • Condition: Like New
  • Case Size: 40mm diameter
  • Material: stainless steel
  • Crystal: scratch-resistant sapphire crystal
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Feb 7, 2025, 2:14 PM
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This Omega Speedmaster Racing Master Co-Axial features a white dial and stainless steel case.

  • Condition: Brand new
  • Case size: 44.25mm
  • Movement type: Master Co-Axial 9900 Chronometer
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  • Age: around 20 years
  • Case size: 42mm diameter
  • Box included: true
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Feb 6, 2025, 2:29 PM
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Omega - 31030425001002 · $5,875
A 42mm stainless steel Omega Speedmaster Professional Moonwatch with a 3861 movement and sapphire crystals, purchased from an authorized dealer in 2023.

  • Condition: Excellent Condition
  • Movement: Manual-Winding Chronograph 3861 with Co-Axial Escapement
  • Case size: 42mm
  • Crystals: Sapphire Crystals
Posted at
Feb 5, 2025, 9:18 PM
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>>ReDuCeD<< OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69

>>ReDuCeD<< OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69

Omega - 145.022-69ST · $3,650
This is a pre-moon Omega Speedmaster Professional with calibre 861, featuring a 42mm diameter case and generic tan strap.

  • Condition: Good vintage condition
  • Movement: Omega calibre 861
  • Case size: 42mm in diameter
  • Serial number: 29 million from 1970
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Feb 5, 2025, 2:08 PM
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  • Condition: Excellent condition
  • Warranty card: no warranty card
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2022 Omega Speedmaster Pro. Moonwatch 42mm 310.30.42.50.01.002 Black Dial

2022 Omega Speedmaster Pro. Moonwatch 42mm 310.30.42.50.01.002 Black Dial

This is a 2022 Omega Speedmaster Professional Moonwatch with a 42mm stainless steel black dial.

  • Condition: Excellent overall condition
  • Size: 8.0 inch wrist (Full Links)
  • Inclusions: Original Double Omega boxed,Box and Papers,International Warranty card dated 2022,5 year manufacturer warranty,Pictograms & Master Chronometer cards,Operating Instructions,Speedmaster Legendary Moonwatch Booklet,Cleaning Cloth
  • Warranty: 5 year manufacturer warranty
Posted at
Feb 5, 2025, 12:25 PM
Active