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

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)

A brand new Omega Speedmaster Moonwatch Professional Hesalite with a stainless steel case and 3861 Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: Omega Master Chronometer
Posted at
Apr 4, 2025, 2:52 PM
Active
>>REDUCED<< OMEGA SPEEDMASTER PROFESSIONAL 1974 Stepped Dial

>>REDUCED<< OMEGA SPEEDMASTER PROFESSIONAL 1974 Stepped Dial

Omega - 145.022 · $3,450
A 1974 Omega Speedmaster Professional with a stepped dial, manual winding chronograph movement (calibre 861), and tritium indices in superb condition.

  • Condition: Very good vintage condition
  • Diameter: 42 mm
  • Bracelet: Omega Speedmaster 1125 bracelet with 516 end links
  • Movement: Manual winding chronograph calibre 861
Posted at
Apr 4, 2025, 2:15 PM
Active
NEW 2021 Omega Speedmaster "Ed White" 39.7mm 311.30.40.30.01.001 Black Dial

NEW 2021 Omega Speedmaster "Ed White" 39.7mm 311.30.40.30.01.001 Black Dial

The Omega Speedmaster 'Ed White' is a nod to the version worn by Ed White, featuring a black step dial and vintage-style applied logo.

  • Condition: New with minor scratches from handling
  • Diameter: 39.7mm
  • Box And Papers: Yes
Posted at
Apr 3, 2025, 11:11 AM
Active
Omega Speedmaster Automatic 3510.50 39mm

Omega Speedmaster Automatic 3510.50 39mm

Omega - 3510.50 · $1,850
a discontinued Omega Speedmaster Reduced model from 1998, featuring an automatic self-winding movement and a black dial with luminous hands and markers.

  • Condition: Good
  • Movement type: Automatic self-winding
  • Crystal material: Hesalite
Posted at
Apr 2, 2025, 3:18 PM
Active
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

This Omega Speedmaster Moonwatch Professional is a stainless steel watch with a 42mm case, featuring an Omega Master Chronometer movement.

  • Condition: Excellent
  • Case size: 42mm
  • Movement type: Omega Master Chronometer
Posted at
Apr 2, 2025, 3:09 PM
Active
Omega 31062425099001 Speedmaster Moon watch 18K Yellow Gold

Omega 31062425099001 Speedmaster Moon watch 18K Yellow Gold

Omega - 31062425099001 · $22,795
The Omega Speedmaster Moon watch is a Professional Moonshine model with an 18K yellow gold case on a rubber strap. It features a manual wind movement, 12-hour chronograph, and display caseback.

  • Material: 18K Yellow Gold
  • Movement: Omega caliber 3861
  • Diameter: 42mm
Posted at
Mar 31, 2025, 10:39 PM
Active
OMEGA Speedmaster '57 Blue Chronograph Dial Steel Men's Watch 332.10.41.51.03.001

OMEGA Speedmaster '57 Blue Chronograph Dial Steel Men's Watch 332.10.41.51.03.001

Omega Speedmaster '57 Blue Chronograph Dial Steel Men's Watch, purchased in 2024 with original AD receipt and box.

  • Condition: Excellent
  • Box: yes
  • Papers: original AD receipt
Posted at
Mar 31, 2025, 6:57 PM
Active
Omega Speedmaster - FOIS - 310.30.40.50.06.001 ( excellent / 2024 )

Omega Speedmaster - FOIS - 310.30.40.50.06.001 ( excellent / 2024 )

This Omega Speedmaster FOIS is a 39.7mm stainless steel case watch with the 3861 Calibre. It comes with all original boxes, papers, booklets, and an Omega Warranty Card dated November 2024.

  • Condition: Excellent condition
  • Case size: 39.7mm
  • Movement: Omega 3861 Calibre
Posted at
Mar 28, 2025, 3:40 PM
Active
Omega Speedmaster '57 - 40.5mm Co-Axial - 332.10.41.51.01.001 ( excellent )

Omega Speedmaster '57 - 40.5mm Co-Axial - 332.10.41.51.01.001 ( excellent )

This Omega Speedmaster '57 is a Novelties 2022 model with a 40.5mm stainless steel case, powered by the Master Co-Axial movement.

  • Condition: Excellent
  • Case size: 40.5mm diameter
  • Movement type: Master Co-Axial
Posted at
Mar 28, 2025, 3:39 PM
Active