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 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp $550 Shipped

Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp $550 Shipped

Omega - 032Z017245 · $550
This is a listing for an Omega Speedmaster Moonwatch Professional with a black rubber strap and deployant clasp. The watch features a 20mm lug size.

  • Material: Black Rubber
  • Ends: curved
  • Lug width: 20mm/16mm
Posted at
Dec 23, 2025, 8:36 PM
Active
[WTS] Omega Speedmaster Milano-Cortina 2026 LE (BNIB)

Omega Speedmaster Milano-Cortina 2026 LE (BNIB)

A special Speedmaster created to celebrate the Milano-Cortina 2026 Winter Games with a distinctive design. This limited edition blends classic Speedy DNA with unique dial and color accents.

  • Condition: New, unworn (BNIB)
  • Size: 38mm diameter
  • Movement: Automatic Cal 3330
  • Accessories: Box & papers
Posted at
Dec 23, 2025, 7:59 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002

Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002

This is a mint Omega Speedmaster Moonwatch Professional Sapphire Sandwich with additional accessories including box, warranty cards, outer box, and links.

  • Condition: mint
  • Box: yes
  • Warranty card: 3 cards
  • Outer box: yes
Posted at
Dec 23, 2025, 5:40 PM
Active
[WTS] Omega Speedmaster. Moonwatch. Sapphire Sandwich. **Mitsukoshi Dial - 300 Limited Edition**

Omega Speedmaster. Moonwatch. Sapphire Sandwich. **Mitsukoshi Dial - 300 Limited Edition**

This is a limited edition Omega Speedmaster Moonwatch featuring a Mitsukoshi dial, one of only 300 produced. It includes a full kit and comes with both the modified and original dials.

  • Dial material: Mitsukoshi Dial (limited edition)
  • Additional dials included: OEM Black Speedy Dial
  • Case size: 40mm diameter
Posted at
Dec 23, 2025, 2:08 PM
Active
[WTS] Omega Speedmaster Professional Rubber Strap + Clasp

Omega Speedmaster Professional Rubber Strap + Clasp

Omega · $499
Additional Details: Like new, pristine. For the Moonwatch works on older Moonwatch models as well.

  • Condition: like new
  • Lug Width: 20mm
  • Clasp Width: 16mm
Posted at
Dec 23, 2025, 12:15 PM
Active
[WTS] Omega Speedmaster Saphire full set 2021

Omega Speedmaster Saphire full set 2021

The Omega Speedmaster Professional 'Saphire Sandwich' Edition features the 3861 Movement, and comes with its original box, papers, and warranty card.

  • Condition: Excellent
  • Movement: 3861
Posted at
Dec 23, 2025, 11:06 AM
Active
[WTS] Omega Speedmaster 3520.53 Box & Card - $2,900

Omega Speedmaster 3520.53 Box & Card - $2,900

Omega - 3520.53 · $2,900
A 39mm Omega Speedmaster 3520.53 in great condition, featuring an automatic movement and a steel case on an original Omega Steel bracelet.

  • Condition: 8.8/10 great condition with some usage marks and micro scratches on the blue AR coating
  • Case size: 39mm diameter
  • Movement type: automatic
  • Bracelet length: fits up to 7 inch wrists
Posted at
Dec 22, 2025, 9:30 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon

Omega Speedmaster Dark Side of the Moon

A modern all ceramic Omega Speedmaster Dark Side of the Moon, powered by a co-axial movement, available as watch only.

  • Condition: very good
  • Size: 44mm diameter
  • Movement: Co-Axial Automatic
Posted at
Dec 22, 2025, 8:36 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional Sapphire 310.30.42.50.01.002 – Full Set – $6,400 Shipped

Omega Speedmaster Moonwatch Professional Sapphire 310.30.42.50.01.002 – Full Set – $6,400 Shipped

A 2022 Omega Speedmaster Moonwatch Professional Sapphire, featuring a sapphire crystal and display caseback, with a manual-wind chronograph movement.

  • Condition: Great
  • Case size: 42mm diameter
  • Movement: Manual-wind chronograph (Omega Caliber 3861)
  • Crystal: Sapphire
Posted at
Dec 22, 2025, 7:27 PM
Active