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 Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA - 311.30.40.30.01.001 · $18,000
The OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk.

  • Condition: UNWORN
  • Material: stainless steel
  • Size: 39.7mm diameter
  • Caseback material: sapphire
Posted at
Dec 22, 2025, 9:11 AM
Active
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, a technical and artistic tribute to space exploration. This watch features a black ceramic case, skeletonized dial, laser-ablated lunar surface, and Calibre 1869 movement with blackened bridges.

  • Condition: UNWORN
  • Case material: black ceramic
  • Diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Dec 22, 2025, 9:06 AM
Active
[WTS][US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,200
A 42mm Omega Speedmaster Broad Arrow with a white dial, part of the full set including box and manuals.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 42mm diameter
Posted at
Dec 22, 2025, 7:12 AM
Active
[WTS] Omega Speedmaster Moonwatch White Dial

Omega Speedmaster Moonwatch White Dial

Selling my white dial Omega Speedmaster Moonwatch in excellent condition.

  • Condition: Excellent with minor wear
  • scratches: small on clasp and bracelet links
  • Warranty card date: 04/25
Posted at
Dec 22, 2025, 3:12 AM
Active
[WTS] Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories - Repost

Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories - Repost

The Omega Speedmaster 'The 1957 Trilogy' is a limited edition watch celebrating the 60th anniversary of this iconic model.

  • Condition: Excellent pre-owned condition
  • Accessories: booklets, straps, strap changer, travel case, tag Double box, open card
Posted at
Dec 22, 2025, 12:11 AM
Active
[WTS] 2025 Omega Speedmaster “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Excellent Condition

2025 Omega Speedmaster “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Excellent Condition

This is a 2025 Omega Speedmaster with a white dial, full set and in phenomenal condition.

  • Condition: Excellent
  • Case size: 42mm
  • Movement: Omega Co-Axial Master Chronometer chronograph
Posted at
Dec 21, 2025, 9:30 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🟤

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🟤

Omega - 145.022-69 · $15,150
A 1969 Omega Speedmaster Moonwatch in beautiful condition, featuring a tropical brown dial with heavy yellow patina and a blue bezel.

  • Condition: Beautiful condition, with thick and sharp lugs, but polished in the past.
  • Size: 42mm
  • Year: 1969
  • Case material: unknown
Posted at
Dec 21, 2025, 9:19 PM
Active
[WTS] 2025 Omega Speedmaster Two Counters Titanium Blue 44.25mm Full Set

2025 Omega Speedmaster Two Counters Titanium Blue 44.25mm Full Set

A modern take on the Speedmaster, this titanium two-register chronograph provides a lightweight feel and refined appearance with a blue dial and bezel.

  • Condition: Excellent
  • Movement: 9300 Co-Axial movement
  • Power reserve: 60h power reserve
  • Case material: Titanium
Posted at
Dec 21, 2025, 8:40 PM
Active
[WTS] Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $10,995
This Omega Speedmaster Ed White Ref. 105.003-65 is a historic and collectible variant, featuring a stunning brown tropical dial with rich patina and tritium hands that glow under UV light.

  • Condition: very good
  • Diameter: 39mm
  • Year: 1965
  • Material: stainless steel
Posted at
Dec 21, 2025, 3:19 PM
Active