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 Date 3513.50 39mm  - $1,790

Omega Speedmaster Date 3513.50 39mm - $1,790

Omega - 3513.50 $1,790
This is an Omega Speedmaster Date 3513.50, a 39mm automatic watch with an Omega Calibre 1152 movement.

  • Condition: Very good condition for its age
  • Case size: 39mm diameter
  • Movement: automatic Calibre 1152
  • Bracelet length: up to 7-7.25 inch wrists depending on wrist shape
Posted at
Apr 28, 2026, 9:01 PM
Active
[WTs] Omega Speedmaster Moonphase 馃崼

Omega Speedmaster Moonphase 馃崼

Omega - 304.23.44.52.13.001 $8,500
This Omega Speedmaster Moonphase is a two-tone model featuring steel and Sedna gold, housed in a 44mm case.

  • Condition: Very good condition with some normal wear
  • Movement: Cal 9904
  • Size: 44mm diameter
Posted at
Apr 28, 2026, 9:00 PM
Active
[WTS] Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

Omega - Speedmaster $2,099
This Omega Speedmaster is a Reverse Panda model, complete with its original set including warranty, tag, inner and outer box, and two booklets.

  • Condition: 7.75/10 with wear around bezel
  • Bracelet size: 20 links
  • Warranty status: Complete
  • Box condition: Inner and Outer Box, 2 booklets
Posted at
Apr 28, 2026, 8:36 PM
Active
[WTS] (Omega) Speedmaster Date 3511.50 Full Set $2,099

(Omega) Speedmaster Date 3511.50 Full Set $2,099

Omega - 3511.50 $2,099
For sale is an Omega Speedmaster Date, reference 3511.50, a reduced variant made for the Japanese market. This automatic watch features a 39mm case and 18mm lugs.

  • Condition: Excellent external condition, running well internally
  • Case size: 39mm diameter
  • Lug-to-lug length: 45mm
  • Thickness: 13.8mm
Posted at
Apr 28, 2026, 8:18 PM
Active
[WTS] Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega - Speedmaster Reduced $2,350
A rare and unique Omega Speedmaster reduced model with a 39mm case, featuring a stunning Mother of Pearl dial.

  • Condition: Good condition for the age
  • Case size: 39mm
  • Strap type: Factory Omega leather strap
Posted at
Apr 28, 2026, 5:37 PM
Active
[WTS] Omega Speedmaster Racing - 32630405001002

Omega Speedmaster Racing - 32630405001002

Omega - 32630405001002 $2,999
This Omega Speedmaster Racing is in good condition, having been worn a handful of times. It features desk diving scratches on the clasp.

  • Condition: Pre-owned, minor scratches
  • Scratches location: Clasp
  • Shipping discussion possible: true
Posted at
Apr 28, 2026, 5:06 PM
Active
[WTS] Omega Speedmaster Moonwatch Hesalite 1861 3570.50.00 ( excellent / 2007 / box and papers )

Omega Speedmaster Moonwatch Hesalite 1861 3570.50.00 ( excellent / 2007 / box and papers )

Omega - 3570.50.00 $4,750
This Omega Speedmaster Moonwatch Professional Chronograph 1861 is a 42mm stainless steel watch with Hesalite crystal, reference # 3570.50.00.

  • Condition: Excellent condition
  • Case size: 42mm diameter
  • Movement: 1861 Omega Calibre
Posted at
Apr 28, 2026, 1:36 PM
Active
[WTS] Omega Speedmaster Sapphire New 2026, $7500

Omega Speedmaster Sapphire New 2026, $7500

Omega - 310.30.42.50.01.002 $7,500
This listing is for a brand new Omega Speedmaster Sapphire, featuring a reference number of 310.30.42.50.01.002 and coming with its original box and warranty.

  • Condition: Brand New Condition
  • Shipping Cost: $150 for USA
  • Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
  • Warranty Year: 2026
Posted at
Apr 28, 2026, 10:35 AM
Active
[WTS] Omega Speedmaster Moonshine Green Dial 2023, $29k+鉁堬笍

Omega Speedmaster Moonshine Green Dial 2023, $29k+鉁堬笍

Omega - 310.60.42.50.10.001 $29,000
2023 Omega Speedmaster Moonshine Green Dial, with a layer of aftermarket watch protection film on.

  • Condition: Preowned Condition
Posted at
Apr 28, 2026, 10:31 AM
Active