Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

Reference 310.32.42.50.01.002

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is an engineering marvel that combines style with functionality, paying homage to its illustrious past as the first watch worn on the moon. This iconic timepiece boasts a sleek, matte black dial and polished stainless steel case, striking an excellent balance between boldness and subtlety. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a Co-Axial escapement and silicon balance spring for accuracy and resistance to magnetic fields up to 15,000 gauss. The watch's robust stainless steel construction and sapphire crystal provide a durable exterior and protect the watch face from scratches, while its water resistance of 50 meters ensures it can withstand accidental splashes. With an open case back revealing the intricate movement within, this timepiece showcases Omega's craftsmanship and attention to detail. The Speedmaster is a versatile accessory that adapts effortlessly to any style or occasion, making it a worthy investment for anyone who appreciates the finer things in life.
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MSRP: $7,600
Market Price: $5,422

Key Features

  • Manual-winding chronograph movement
  • Master Chronometer Certified
  • 50-meter water resistance
  • Co-Axial escapement and silicon balance spring
  • Open case back revealing intricate movement
  • Robust stainless steel construction with sapphire crystal

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf
Reference
310.32.42.50.01.002
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] omega speedmaster Mario. Year-1999. Excellent condition. Box and Papers included

omega speedmaster Mario. Year-1999. Excellent condition. Box and Papers included

This Omega Speedmaster is a rare Japanese model, known as the Marui, from 1999. It's in great condition with its original box and papers.

  • Condition: Excellent condition
  • Year: 1999
  • Location: Japan
Posted at
Dec 23, 2025, 9:37 PM
Active
[WTS] Omega Speedmaster Professional White Dial (Full Set 9/2025)

Omega Speedmaster Professional White Dial (Full Set 9/2025)

Up for sale is a beautiful Omega Speedy Pro White Dial, it comes with box & papers dated 09/2025 and has been worn only a few times.

  • Condition: Great condition with minimal wear
  • Movement type: Manual Wind
  • Size: 42mm diameter
  • Accessories included: Box & papers
Posted at
Dec 23, 2025, 8:49 PM
Active
[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 Reduced. Automatic.

Omega Speedmaster Reduced. Automatic.

This Omega Speedmaster Reduced is an automatic chronograph watch.

  • Shipping: Fedex with insurance, globally accepted
  • Facetime: available to show the watch
Posted at
Dec 23, 2025, 6:27 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