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] Open Card Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” 310.30.42.50.01.002 — Excellent Condition, Box & Papers

Open Card Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” 310.30.42.50.01.002 — Excellent Condition, Box & Papers

The Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” is a modern take on one of the most iconic chronographs ever made, featuring a black step dial and sapphire crystal front and back.

  • Condition: Excellent condition
  • Case diameter: 42mm
  • Lug to lug: 47.5mm
  • Thickness: 13.2mm
Posted at
Oct 22, 2025, 9:10 AM
Active
[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm watch that functions perfectly mechanically.

  • Condition: fantastic with minor hairlines
  • Case size: 43mm
Posted at
Oct 22, 2025, 9:06 AM
Active
Help/advice for selling my Omega Speedmaster [wts]

Help/advice for selling my Omega Speedmaster

The seller is looking for advice on how to securely sell their four-figure Omega Speedmaster, citing concerns about scams and bot warnings.

  • Watch Model: Speedmaster
  • Seller Type: eBay
Posted at
Oct 21, 2025, 9:20 PM
Active
[WTS] Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!

Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!

A 42mm Omega Speedmaster Professional in amazing condition, with minimal wear and a complete set of accessories.

  • Condition: Like New
  • Case size: 42mm diameter
  • Movement type: automatic
Posted at
Oct 21, 2025, 5:42 PM
Active
[WTS] 2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

A 2025 Omega Speedmaster Professional Moonwatch Sapphire Sandwich, purchased in January 2025 and running perfectly.

  • Condition: Excellent preowned condition with minor signs of wear
  • Year: 2025 (factory warranty until Jan 2030)
  • Size: 42mm diameter
  • Retail: $9000
Posted at
Oct 21, 2025, 4:37 PM
Active
[WTS] Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega - 310.92.44.50.01.001 · $11,950
A wonderful example of the Omega Speedmaster Dark Side Moon Apollo 8 model, featuring a black ceramic skeletonized dial and updated laser ablated moon surface. Paired with a Saturn V rocket constant seconds hand, this is one of the most detailed black ceramic watches to wear.

  • Condition: Mint condition, appears completely unworn
  • Case size: 44.25mm
Posted at
Oct 21, 2025, 4:34 PM
Active
[WTS] Omega Speedmaster Mark II

Omega Speedmaster Mark II

Omega - 145.014 · $2,650
A 70's Omega Speedmaster Mark II in great shape, keeping time and chronograph functioning as it should. The watch has a chunky case that balances out with the drape of the bracelet, making it wear well.

  • Condition: Excellent, with minor degradation of paint on hour counter hand
  • Case Dimensions: 42.5mm width x 45.5mm length x 15mm thickness
  • Bracelet Adjustability: expandable to accommodate wrists up to 6.75"
  • Water Resistance Status: not guaranteed
Posted at
Oct 21, 2025, 3:58 PM
Active
[WTS] OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

The OMEGA Speedmaster '57 Heritage is a rare automatic version that bridges two worlds: precision instrument and personal treasure. It features a black dial with beige indices, sub-dials at 9 and 3 o'clock, and recessed hour markers with Super-LumiNova.

  • Condition: pre-owned with minor cosmetic flaws (AR coating mark)
  • Case size: 41.5mm diameter
  • Movement type: automatic chronograph
Posted at
Oct 21, 2025, 3:38 PM
Active
[WTS] Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega - 3220.50 · $2,350
This Omega Speedmaster Triple Date 3220.50 features a classic look with additional Chronometer functionality, available for sale in very good condition.

  • Condition: Very good pre-owned condition
  • Case diameter: 40mm
  • Crystal condition: clean
  • Bracelet condition: desk rash, minor scratches
Posted at
Oct 21, 2025, 2:55 PM
Active