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 Reduced 3510.50 39mm Watch Only $2,500

Omega Speedmaster Reduced 3510.50 39mm Watch Only $2,500

Omega - 3510.50 $2,500
A Speedmaster Reduced from Omega, a watch only sale with the bracelet fitting about 18cm wrists.

  • Shipping origin: Singapore
  • Shipping to usa: 4-5 business days
  • Payment methods: Wise, Revolut, Wire Transfer, Crypto, Venmo
Posted at
Mar 11, 2026, 5:20 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch (Hesalite)

Omega Speedmaster Professional Moonwatch (Hesalite)

Omega - 310.30.42.50.01.001 $5,750
This modern Omega Speedmaster Professional Moonwatch features Master Chronometer technology, a stainless steel case, and a black anodized aluminum tachymeter bezel.

  • Condition: Excellent
  • Case size: 42mm
  • Movement type: Co-Axial Master Chronometer Caliber 3861
  • Power reserve: 50 hours
Posted at
Mar 11, 2026, 12:04 AM
Active
[WTS] Omega Speedmaster Automatic Day-Date 3520.50.00 MK 40 | Great Condition (Serviced) | $2450

Omega Speedmaster Automatic Day-Date 3520.50.00 MK 40 | Great Condition (Serviced) | $2450

Omega - 3520.50.00 MK 40 $2,450
The Omega Speedmaster Automatic Day-Date features a stainless steel case with a twisted-lug design and domed sapphire crystal, powered by the modified Valjoux 7751 automatic chronograph movement.

  • Condition: Great condition, serviced
  • Movement: Omega 1151 (modified Valjoux 7751)
  • Case dimensions: 39mm diameter, 44.75mm lug-to-lug, 14mm thick
  • Lug width: 18mm
Posted at
Mar 10, 2026, 10:34 PM
Active
[WTS] Omega Speedmaster Reverse 馃敟BNIB 3/2026, $10.5k +Shipping馃敟

Omega Speedmaster Reverse 馃敟BNIB 3/2026, $10.5k +Shipping馃敟

Omega - 310.30.42.50.01.004 $10,500
The Omega Speedmaster Reverse is being sold as a brand new watch with a reference number of 310.30.42.50.01.004.

  • Condition: Brand New
  • Serial Number: not found
  • Depth Rating: not found
  • Water Resistance: not found
Posted at
Mar 10, 2026, 10:19 PM
Active
[WTS] Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO

Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO

Omega - 310.30.42.50.01.001 $5,500
This Omega Speedmaster Professional Moonwatch features a stainless steel case with a black dial and Hesalite crystal, powered by a manual wind mechanical movement.

  • Condition: Very Good Condition
  • Case Dimensions: 42mm diameter
  • Bezel: stainless steel black
  • Dial Color: black
Posted at
Mar 10, 2026, 9:55 PM
Active
[WTS] 2024 OMEGA SPEEDMASTER PROFESSIONAL- WHITE DIAL - FULL KIT - $7,800

2024 OMEGA SPEEDMASTER PROFESSIONAL- WHITE DIAL - FULL KIT - $7,800

Omega - 310.30.42.50.04.001 $7,800
The 2024 White Dial Omega Speedmaster Professional features a glossy, lacquered white stepped dial with applied blackened markers and hands. It is powered by the METAS-certified Master Chronometer Calibre 3861 and viewed through a sapphire exhibition caseback.

  • Condition: Great condition/minor desk diving
  • Movement: Manual-winding Calibre 3861 (Anti-magnetic to 15,000 gauss)
  • Dial size: 42mm
  • Water resistance: unknown
Posted at
Mar 10, 2026, 9:38 PM
Active
[WTS] Omega Speedmaster Moonwatch 310.30.42.50.01.002 - Legendary Timepiece

Omega Speedmaster Moonwatch 310.30.42.50.01.002 - Legendary Timepiece

Omega - 310.30.42.50.01.002 $6,900
The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is an iconic timepiece that combines precision with timeless design. Featuring a robust stainless steel case and a classic black dial, it's not just a watch鈥攊t's a piece of history.

  • Condition: Good
  • Case material: stainless steel
  • Dial color: black
Posted at
Mar 10, 2026, 5:32 PM
Active
[WTS] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega - 329.30.44.51.01.001 $5,850
A Omega Speedmaster Racing Chronograph in the model 329.30.44.51.01.001 features a 44.25mm size and has all functions working as expected.

  • Condition: pre-owned with minor wear
  • Size: 44.25mm diameter
  • Bracelet material: stainless steel
Posted at
Mar 10, 2026, 4:54 PM
Active
[WTS] Omega Speedmaster First Omega In Space (FOIS)

Omega Speedmaster First Omega In Space (FOIS)

Omega - 311.32.40.30.01.001 $4,250
This Omega Speedmaster "First Omega in Space" features a size of 39.7mm and comes with multiple straps.

  • Case Size: 39.7mm
  • Strap Count: 6
  • Includes: Omega boxes,pictogram card,operating instructions booklet
Posted at
Mar 10, 2026, 1:14 PM
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