Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet

Reference 310.60.42.50.01.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold is a legendary timepiece that combines heritage, craftsmanship, and functionality in a way that few can match. Its stunning aesthetics, featuring a unique blend of black and gold, create a luxurious yet sporty vibe that can transition seamlessly from casual to formal settings. The watch strikes a balance between boldness and wearability, with a 42mm diameter and 13.18mm height that ensures it will never go out of style. Inside this beauty lies the Omega caliber 3861, an updated version of earlier calibers featuring a co-axial escapement and silicon balance spring. Certified by METAS, this watch is not just accurate but highly resistant to magnetic fields reaching up to 15,000 gauss. With a manual-winding chronograph movement and power reserve of 50 hours, you'll have the pleasure of winding it yourself while enjoying precise timekeeping. The black sunburst finish dial is mesmerizing, providing a backdrop for stick hands that lend a sleek, modern look while ensuring legibility at a glance. One of the standout features of the Speedmaster is its durability, with scratch-resistant sapphire glass and a water resistance rating of 50 meters. The open case back allows you to admire the intricate workings of the Omega caliber 3861, making it a treat for watch lovers.
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MSRP: $42,600
Market Price: $23,979

Key Features

  • Omega caliber 3861 movement
  • Sedna Gold case
  • Black sunburst finish dial
  • Scratch-resistant sapphire glass
  • 50m water resistance
  • Manual-winding chronograph movement
  • Co-axial escapement and silicon balance spring

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet
Reference
310.60.42.50.01.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Sedna Gold 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster First Omega In Space (FOIS)

Omega Speedmaster First Omega In Space (FOIS)

This Omega Speedmaster 'First Omega in Space' features a 39.7mm case size and comes with six straps, including the original Omega strap and three additional Horus camo straps.

  • Case size: 39.7mm
  • Straps included: 6
Posted at
Mar 18, 2026, 11:11 AM
Active
[WTS] 2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set

2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set

2024 Omega Speedmaster Moonwatch Professional White Dial for sale, full set

Posted at
Mar 18, 2026, 12:24 AM
Active
[WTS] Omega Speedmaster Reduced Tritium Patina (Read Comment)

Omega Speedmaster Reduced Tritium Patina (Read Comment)

This Omega Speedmaster Reduced has a beautiful patina and is in great condition overall, but it needs a new pusher to be restored to its original state.

Posted at
Mar 17, 2026, 10:43 PM
Active
[WTS] Omega Speedmaster “Two Counter”in Blue 311.93.44.51.03.001 ($6650 obo)

Omega Speedmaster “Two Counter”in Blue 311.93.44.51.03.001 ($6650 obo)

A 2020 Omega Speedmaster Two Counter in Titanium with a Blue Ceramic Bezel, featuring a two-counter design and coming as a full set with box and papers. The watch has been worn sparingly and is still under warranty from a dealer in Japan.

  • Condition: Like new, minor wear on bracelet
  • Bracelet condition: minor wear
  • Warranty: still under warranty from dealer in Japan (requires servicing in Japan)
  • Movement accuracy: +2 seconds per day at purchase
Posted at
Mar 17, 2026, 8:07 PM
Active
[WTS] Omega Speedmaster Silver Snoopy Award – New/Unworn

Omega Speedmaster Silver Snoopy Award – New/Unworn

Omega - 310.32.42.50.02.001 · $14,850
A Omega Speedmaster Silver Snoopy Award celebrating NASA's Silver Snoopy Award presented to Omega following the Apollo 13 mission, featuring an animated Snoopy caseback and silver dial with blue accents.

  • Condition: New / Unworn
  • Case size: 42mm
  • Movement type: Omega Co-Axial Master Chronometer Caliber 3861
Posted at
Mar 17, 2026, 6:53 PM
Active
[WTS] Omega Speedmaster 3570.50- $3900

Omega Speedmaster 3570.50- $3900

Omega - 3570.50 · $3,900
For sale is an Omega Speedmaster 3570.50, a well-maintained timepiece with original accessories.

  • Condition: Good condition
  • Bracelet: Original
Posted at
Mar 17, 2026, 12:18 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50 Mint Full Set $3250

Omega Speedmaster Reduced 3510.50 Mint Full Set $3250

Omega - 3510.50 · $3,250
This Omega Speedmaster Reduced from 1998 features a stainless steel case, 39mm in diameter, and a matte black dial with Luminova. The watch has an automatic Omega caliber 3220 movement, which is an ETA 2890-2 with a Dubois-Depraz chronograph module.

  • Condition: Mint
  • Case material: Stainless steel
  • Case size: 39mm diameter
  • Movement type: Automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)
Posted at
Mar 17, 2026, 9:57 AM
Active
[WTS] Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

A silver dial Omega Speedmaster 38 Co-Axial Chronograph in excellent condition. The watch features a chronograph function and is presented on a brown leather strap.

  • Condition: Excellent
  • Case condition: Minimal wear
  • Bracelet condition: Brand-new, unworn
  • Included accessories: Omega inner box, Omega outer box, Instruction manual, Pictograms card, Watchfinder certificate of authenticity, Original Omega stainless steel bracelet, Brown leather strap, Omega Cream Watch Pouch
Posted at
Mar 17, 2026, 8:49 AM
Active
[WTS] Omega Speedmaster 3520.53  - $2,690

Omega Speedmaster 3520.53 - $2,690

Omega - 3520.53 · $2,690
Up for sale is my Omega Speedmaster 3520.53, measuring 39mm with an automatic movement and steel case on an original Omega Steel speedmaster bracelet.

  • Condition: 8.8/10 - great shape with some usage marks and patina on subdials
  • Movement type: automatic
  • Case material: steel
  • Bracelet: original Omega Steel speedmaster bracelet
Posted at
Mar 16, 2026, 10:16 PM
Active