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] 2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer 329.30.43.51.02.001

2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer 329.30.43.51.02.001

A 2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer in good working order and excellent cosmetic condition. It comes with box and papers dated 2022.

  • Condition: Great condition overall
  • Case size: 43mm diameter
  • Movement: Co-Axial Master Chronometer
  • Box and papers included: yes
Posted at
Dec 14, 2025, 9:35 AM
Active
[WTS] Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

This Omega Speedmaster Professional 42mm is a 'Sapphire Sandwich' model with a complete set, including a serial tag and master chronometer certification.

  • Condition: Like New
  • Case Size: 42mm
Posted at
Dec 13, 2025, 8:11 PM
Active
[WTS] Omega Speedmaster Broad Arrow 42mm Olympics (Milano Cortina Killer for Half the Price 🔥) - Blue Spiralwinder Ceramic Bezel - F.Piguet Based Column Wheel Coaxial Chrono - Forstner Bullet - Blued Hands - Moonwatch Proportions - Only $3,050 Shipped CONUS

Omega Speedmaster Broad Arrow 42mm Olympics (Milano Cortina Killer for Half the Price 🔥) - Blue Spiralwinder Ceramic Bezel - F.Piguet Based Column Wheel Coaxial Chrono - Forstner Bullet - Blued Hands - Moonwatch Proportions - Only $3,050 Shipped CONUS

This Omega Speedmaster Broad Arrow features a white gloss dial with heat-blued hands and an Olympic Games caseback. It has 100m water resistance and is powered by the Co-Axial Caliber 3313 column-wheel automatic chronograph.

  • Movement: Omega Co-Axial Caliber 3313, column-wheel automatic chronograph based on the F. Piguet 1285 architecture
  • Bracelet: Forstner Bullet bracelet, 200m water resistance (100m WR)
  • Depth Rating: 100m WR
Posted at
Dec 13, 2025, 7:34 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

This is a 2019 Omega Speedmaster Dark Side of the Moon with a full-ceramic case and buckle, available in mint condition.

  • Condition: Mint, like-new condition
  • Case material: full ceramic
  • Year: 2019
Posted at
Dec 13, 2025, 6:06 PM
Active
[WTS] Omega Speedmaster Silver Snoopy OEM bracelet and strap 310.32.42.50.02.001 PRICE REDUCED

Omega Speedmaster Silver Snoopy OEM bracelet and strap 310.32.42.50.02.001 PRICE REDUCED

Omega - 310.32.42.50.02.001 · $14,500
A mint condition Omega Speedmaster, purchased at an authorized dealer on December 24th, featuring a new case and excellent bracelet with minor hairlines.

  • Condition: Mint
  • Bracelet condition: Excellent
  • Bracelet description: OEM bracelet with a few hairlines present
Posted at
Dec 13, 2025, 12:55 PM
Active
[WTS] Stunning 1999 Omega Speedmaster Day-Date 3520.53 – Box & Papers (No card)

Stunning 1999 Omega Speedmaster Day-Date 3520.53 – Box & Papers (No card)

Omega - 3520.53 · $2,800
This is a 1999 Omega Speedmaster Day-Date, a beautiful watch with all functions tested and working correctly. The overall condition is very good, showing normal wear consistent with age.

  • Condition: Very good
  • Case size: 40mm diameter
  • Water resistance: 30m depth rating
Posted at
Dec 12, 2025, 8:24 PM
Active
[WTS] - 2006 Omega SpeedMaster 3551.20 Chronograph Automatic Date - $3800

- 2006 Omega SpeedMaster 3551.20 Chronograph Automatic Date - $3800

Omega - 3551.20 · $3,800
A 2006 Omega Speedmaster Broad Arrow 42mm stainless steel chronograph automatic date watch in excellent condition, featuring a white dial and blue hands.

  • Condition: Excellent shape with light wear from normal use
  • Case size: 42mm diameter
  • Bracelet length: up to 7 inches (17.8 cm)
Posted at
Dec 12, 2025, 4:48 PM
Active
[WTS] Omega Speedmaster Racing 44mm Black/Orange perforated lthr strap on deployant clasp - 2020 complete set

Omega Speedmaster Racing 44mm Black/Orange perforated lthr strap on deployant clasp - 2020 complete set

This Omega Speedmaster Racing features a black micro-perforated leather racing strap with orange rubber lining and an Omega folding deployant clasp, powered by the Caliber 9900 Master Chronometer movement.

  • Condition: like-new
  • Movement caliber: 9900 Master Chronometer movement - Co-Axial, anti-magnetic, column-wheel chronograph
  • Strap type: factory black micro-perforated leather racing strap with orange rubber lining
  • Case size: 44mm diameter
Posted at
Dec 12, 2025, 3:54 PM
Active