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

Reference 310.32.42.50.01.002

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

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 Speedmaster3590.50 – Unpolished Classic

Omega Speedmaster3590.50 – Unpolished Classic

Omega - 3590.50 · $55,000
a classic, unpolished Omega Speedmaster with a unique character

  • Material: steel
  • Band: leather strap
Posted at
Oct 25, 2025, 9:37 PM
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[WTS]: Omega Speedmaster Professional Moonwatch Full kit 12/24

: Omega Speedmaster Professional Moonwatch Full kit 12/24

Omega - Speedmaster Professional Moonwatch Hesalite · $4,950
This Omega Speedmaster Professional Moonwatch Hesalite is a full kit in very good condition. It features a Hesalite crystal and comes with a warranty card dated 12/24.

  • Condition: Very nice shape, small marks and scratches
  • Warranty card date: 12/24
  • Shipping method: FedEx
Posted at
Oct 25, 2025, 7:34 PM
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[WTS] Omega Speedmaster. Moonwatch. 3570.50. Strong Lume.

Omega Speedmaster. Moonwatch. 3570.50. Strong Lume.

Omega - 3570.50 · $3,600
This is an Omega Speedmaster Moonwatch, a model known for its strong lume and moon phase display.

  • Lume strength: strong
  • Shipping: Fedex with insurance
  • Location: NJ USA
Posted at
Oct 25, 2025, 5:38 PM
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[WTS] Omega Speedmaster 3590.50

Omega Speedmaster 3590.50

Omega - 3590.50 · $65,000
  • Gender: men's
  • Water Resistance: 30m
Posted at
Oct 25, 2025, 4:15 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Reduced 3510.50 (EUROPE 🇪🇺)

Omega Speedmaster Reduced 3510.50 (EUROPE 🇪🇺)

Posted at
Oct 25, 2025, 2:25 PM
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[WTS] Omega Speedmaster $4,511 BRAND NEW

Omega Speedmaster $4,511 BRAND NEW

Omega - Speedmaster · $4,511
This is a brand new Omega Speedmaster watch. It's a classic design that exudes style and sophistication.

  • Condition: Brand New
Posted at
Oct 25, 2025, 11:49 AM
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[WTS] Omega Speedmaster Professional Hesalite - Weeks Old! 310.30.42.50.01.001

Omega Speedmaster Professional Hesalite - Weeks Old! 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $6,250
This Omega Speedmaster Professional has been purchased brand new within the past month and comes with full set, boxes, papers, and warranty.

  • Condition: Like new, consistent with about a week of total wear
  • Warranty: 10/25 warranty
Posted at
Oct 25, 2025, 11:04 AM
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[WTS] Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,195

Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,195

Omega - 311.92.44.51.01.006 · $8,195
This Omega Speedmaster Moonwatch, part of the Dark Side of the Moon collection, features a Vintage Black design.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch,Inner & Outer Box,International Warranty Card,Pictograms Card,Card Holder,Operating Instructions Manual,Omega Travel Box
  • Condition Details: Strap is relatively new (purchased 4/27/25), Inner box has some wear
Posted at
Oct 25, 2025, 10:50 AM
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[WTS] 2024 Omega Speedmaster Professional Moonphase 44.25mm 304.33.44.52.03.001 Blue Dial

2024 Omega Speedmaster Professional Moonphase 44.25mm 304.33.44.52.03.001 Blue Dial

Omega - 304.33.44.52.03.001 · $7,550
2024 Omega Speedmaster Professional Moonphase in 44.25mm size with blue dial.

  • Condition: Pre-Owned, with wear on polished parts of case and worn but still usable strap
  • Case size: 44.25mm diameter
Posted at
Oct 24, 2025, 11:13 PM
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