Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator

Reference 310.63.42.50.01.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator is a masterpiece of luxury watchmaking, blending history, craftsmanship, and modern technology. Its striking black sunburst dial and Sedna Gold case exude sophistication, while its chronograph function and co-axial escapement ensure precision and reliability. With a water resistance of 50 meters and a power reserve of 50 hours, this watch is built for performance and durability. Whether you're a seasoned collector or a first-time buyer, the Speedmaster Professional Moonwatch is sure to impress with its stunning design, exceptional movement, and practical features.
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MSRP: $30,200
Market Price: $18,352

Key Features

  • Omega caliber 3861 movement
  • Sedna Gold case material
  • Master Chronometer certification by METAS
  • Chronograph function
  • Co-axial escapement
  • Plexi glass crystal
  • 50-meter water resistance

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator
Reference
310.63.42.50.01.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Sedna Gold 42mm
Dial Color
Black
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster. Moonwatch + Moonphase. Sapphire Sandwich.

Omega Speedmaster. Moonwatch + Moonphase. Sapphire Sandwich.

The watch is an Omega Speedmaster, also known as a Moonwatch, featuring a sapphire sandwich case.

  • Condition: Very clean
  • Location: New Jersey, USA
Posted at
Mar 8, 2026, 3:14 PM
Active
[WTS] Omega Speedmaster 3570.50-$4200

Omega Speedmaster 3570.50-$4200

Omega - 3570.50 · $4,200
The Omega Speedmaster 3570.50 is a model that comes watch only with original band and Forstner band. It's suitable for everyday wear.

  • Condition: Good condition with some normal signs of wear
  • Band Count: 2
  • Seller Experience: Yes, several sales on AWWC, SBWC, Resco, and eBay
Posted at
Mar 8, 2026, 2:58 PM
Active
[WTS] Omega Speedmaster 3861 Sapphire Sandwich - Minty - May 2023 Card (under Omega warranty until 2028) - Quick Adjust Bracelet - Full Kit

Omega Speedmaster 3861 Sapphire Sandwich - Minty - May 2023 Card (under Omega warranty until 2028) - Quick Adjust Bracelet - Full Kit

Omega - 3861 · $6,999
A 2023 Omega Speedmaster Moonwatch 3861 sapphire sandwich, in great condition with a full kit and under warranty until 2028. The watch is running accurately at 0 spd.

  • Condition: great condition with minor desk dive scratches on the clasp
  • Warranty expiration date: May 2028
  • Retail price: $9K
Posted at
Mar 8, 2026, 2:04 PM
Active
[WTS] NEW 2026 Omega reverse panda Speedmaster Professional

NEW 2026 Omega reverse panda Speedmaster Professional

This brand-new Omega Speedmaster Professional is in excellent condition and comes with all original packaging.

  • Condition: brand new, absolutely mint
  • Year of production: 2026
  • Case size: 42mm diameter
Posted at
Mar 8, 2026, 4:20 AM
Active
[WTS] Omega Speedmaster “Silver Snoopy Award” 50th Anniversary Unworn (2024)

Omega Speedmaster “Silver Snoopy Award” 50th Anniversary Unworn (2024)

Omega - 310.32.42.50.02.001 · $15,400
A 2024 Omega Speedmaster Silver Snoopy Award 50th Anniversary, a highly collectible modern Speedmaster celebrating NASA's Silver Snoopy Award.

  • Condition: New / Unworn
  • Case size: 42mm diameter
  • Movement: Omega Co-Axial Master Chronometer Caliber 3861
  • Strap material: Blue nylon
Posted at
Mar 7, 2026, 10:20 PM
Active
[WTS] OMEGA Speedmaster 38 Co-Axial Chronograph Men's Watch - 324.30.38.50.02.001

OMEGA Speedmaster 38 Co-Axial Chronograph Men's Watch - 324.30.38.50.02.001

A Omega Seamaster watch, sold as new with original accessories and warranty cards.

  • Condition: Pre-owned with minor wear marks on bracelet
  • Purchase location: Goldsmiths
  • Includes original accessories: yes
Posted at
Mar 7, 2026, 10:18 PM
Active
[WTS] Omega Speedmaster 3570.50-$4200

Omega Speedmaster 3570.50-$4200

Omega - 3570.50 · $4,200
A Omega Speedmaster in good condition, comes with original bracelet and forstner.

  • Condition: good
  • Seller Type: established eBay account
  • Additional Items: eBay authentication card, original bracelet, forstner
Posted at
Mar 7, 2026, 10:12 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional Sapphire 3861 (310.30.42.50.01.002) – 2025 Full Set – $6350

Omega Speedmaster Moonwatch Professional Sapphire 3861 (310.30.42.50.01.002) – 2025 Full Set – $6350

This Omega Speedmaster Moonwatch Professional features the Master Chronometer Calibre 3861, a manual wind movement with 50-hour power reserve and anti-magnetic to 15,000 gauss. The watch has a 42mm stainless steel case and black stepped dial.

  • Condition: Excellent overall condition, light signs of wear on the bracelet and clasp
  • Movement: Omega Co-Axial Master Chronometer Calibre 3861 (manual wind, 50-hour power reserve, anti-magnetic to 15,000 gauss)
  • Case size: 42mm
  • Water resistance: 50m
Posted at
Mar 7, 2026, 9:44 PM
Active