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] 2022 Omega Speedmaster Moonwatch Professional – 310.30.42.50.01.001 - $5899 Shipped

2022 Omega Speedmaster Moonwatch Professional – 310.30.42.50.01.001 - $5899 Shipped

For sale is a 2022 Omega Speedmaster Moonwatch Professional in excellent condition, showing light signs of normal wear and running properly.

  • Condition: Excellent overall condition with light signs of normal wear only
  • Case size: 42mm
  • Movement type: Manual wind chronograph
  • Crystal material: Hesalite
Posted at
Mar 15, 2026, 2:41 AM
Active
[WTS] Omega Speedmaster Reduced 39mm Ref. 175.0032 Cal 1140 TRITIUM PATINA

Omega Speedmaster Reduced 39mm Ref. 175.0032 Cal 1140 TRITIUM PATINA

Omega - 175.0032 · $2,550
This Omega Speedmaster Reduced features a beautiful tritium patina on its dial, giving it an authentic vintage character.

  • Condition: Honest signs of use consistent with its age, scratches on case and bracelet
  • Movement: Omega Caliber 1140 Automatic (46 jewels)
  • Case Size: 39mm
  • Caseback: Solid Omega press on caseback
Posted at
Mar 15, 2026, 1:38 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch ref. 145.022 circa 1978

Omega Speedmaster Professional Moonwatch ref. 145.022 circa 1978

Omega - 145.022 · $4,400
A circa 1978 Omega Speedmaster Professional Moonwatch ref. 145.022, featuring a Lemania based caliber 861 movement, in a classic 42mm case.

  • Condition: Used, with wear and signs of polish
  • Movement: Lemania based caliber 861
  • Case size: 42mm diameter
  • Lug width: 20mm
Posted at
Mar 14, 2026, 8:50 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

  • Box: yes, with box and papers
  • Warranty: still under warranty
  • Dial: white dial
Posted at
Mar 14, 2026, 5:18 PM
Active
[WTS] Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather

Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather

Omega - 3861 · $6,490
A Omega Speedmaster Moonwatch Sapphire Sandwich sold as a full kit with both leather and bracelet included.

  • Condition: Great condition, with some marks on the back of the lugs from strap changes
  • Warranty: Joma shop warranty until Jan 2028
  • Strap: Omega leather strap
  • Bracelet Links: All links included
Posted at
Mar 14, 2026, 4:34 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set

Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set

Up for sale is an Omega Speedmaster Moonwatch Professional - 42mm - Big Box - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
  • Case size: 42mm
  • Bracelet condition: minor hairlines
Posted at
Mar 14, 2026, 12:02 PM
Active
[WTS][US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

[US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

A Omega Speedmaster Grey Side Of The Moon, featuring a grey dial and 44mm size.

  • Condition: great condition, small chip on edge of case back
  • Case Size: 44mm diameter
Posted at
Mar 14, 2026, 11:34 AM
Active
[WTS] Omega Speedmaster Professional 3861 Link - $50

Omega Speedmaster Professional 3861 Link - $50

Sealed and unopened OEM genuine Omega Speedmaster 3861 Professional replacement link, pin, and collar set received directly from an Omega Boutique.

  • Origin: directly from Omega Boutique
  • Shipping: free to CONUS with PayPal Friends+Family
Posted at
Mar 14, 2026, 9:21 AM
Active
[WTS] 2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered

2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered

A 2026 Omega Speedmaster Moonwatch Professional featuring a white dial, classic case, and black bezel, powered by the Master Chronometer Caliber 3861 manual-wind chronograph movement.

  • Condition: Brand new / partially stickered with small nick near lower right lug
  • Case size: 42mm
  • Movement: Omega Caliber 3861, Master Chronometer
  • Crystal: Sapphire
Posted at
Mar 13, 2026, 10:42 PM
Active