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] 2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500
The Omega Speedmaster Sedna Gold is a modern take on the iconic Moonwatch design, featuring Sedna gold and a rich black dial with contrasting subdials. It's powered by a manual-wind movement that blends classic heritage with modern performance.

  • Condition: Like new, small ding on bezel near 12 o'clock
  • Box Papers: Yes
  • Movement: Master Chronometer manual-wind
Posted at
Apr 16, 2026, 9:08 AM
Active
[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

This Omega Speedmaster First Omega in Space is a fully functional watch that comes with a full set of accessories.

  • Condition: Fantastic condition with few hairlines on case, clasp, and bracelet
  • Case size: 40mm diameter
Posted at
Apr 21, 2026, 2:45 PM
Active
[WTS] Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025

Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025

This Omega Speedmaster Grey Side of The Moon is for sale in a very mint condition with no flaws and comes as a fully complete set.

  • Condition: Mint condition
  • Warranty Card Date: April 2025
  • Shipping Method: WW insured shipping
Posted at
Apr 21, 2026, 12:44 PM
Active
[WTS] Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)

Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)

Up for sale is my April 29, 2022 dated Omega Speedmaster '57, current generation, with warranty till Apr 2027.

  • Condition: Pre-owned, very good condition with minor scratches and marks
  • Dimensions: 40mm diameter
  • Bracelet length: 17cm
Posted at
Apr 21, 2026, 9:31 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)

Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)

Omega - ST 145.022-69 · $5,000
A 1972 Omega Speedmaster Professional Moonwatch with a manual wind Cal. 861 movement, 42mm stainless steel case, and black dial with three registers.

  • Condition: some scratches on the bezel and crystal, some marks on the case
  • Movement: Cal. 861
  • Case size: 42mm diameter
  • Water resistance: 30m depth rating
Posted at
Apr 21, 2026, 12:22 AM
Active
[WTS]🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA

🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA

No description provided.

  • Condition: new
  • Year: 2026
Posted at
Apr 20, 2026, 11:39 PM
Active
[WTS] Omega Speedmaster Pro “Moon to Mars” Edition

Omega Speedmaster Pro “Moon to Mars” Edition

Omega - 3577.50 · $6,500
The Omega Speedmaster Pro 'Moon to Mars' Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.

  • Condition: Good, with a scratch on the crystal at 1 o'clock
  • Bracelet size: 7 inches
  • Movement: 1861 manual
  • Size: 42mm diameter
Posted at
Apr 20, 2026, 10:37 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set

Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set

The Omega Speedmaster Moonwatch Professional is a 42mm watch with an unknown service history.

  • Condition: Great Pre-Owned
  • Links: 24 Links
  • Warranty Years Remaining: 1 year (2025)
Posted at
Apr 20, 2026, 9:59 PM
Active
[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.

Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.

Omega · $2,100
A 39mm automatic Omega Speedmaster with a mother of pearl dial and OEM omega strap.

  • Case size: 39mm
  • Movement type: Automatic
Posted at
Apr 20, 2026, 7:37 PM
Active