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 310.32.42.50.01.002

Omega Speedmaster 310.32.42.50.01.002

This Omega Speedmaster is from 2022 and runs well with everything in great shape.

  • Condition: Great condition
  • Year: 2022
  • Shipping cost: 60
Posted at
Dec 3, 2025, 3:52 PM
Active
[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50.00 · $4,099
A 1991 Omega Speedmaster Moonwatch in excellent condition, with a tritium dial and original hands. The watch is powered by caliber 861 movement.

  • Condition: Excellent vintage condition
  • Movement: Caliber 861
  • Serial number: 482774XX
  • Bracelet size: 1479/812, fits 6.8" wrist, expands to fit 7.5" or larger
Posted at
Dec 8, 2025, 5:34 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch 3570.50 with leather and stainless steel Omega bracelets - $3,950 Shipped

Omega Speedmaster Professional Moonwatch 3570.50 with leather and stainless steel Omega bracelets - $3,950 Shipped

Omega - 3570.50 · $3,950
This is a re-listing of my Omega Speedmaster Professional Moonwatch, manufactured in 1992. The watch comes with the original steel bracelet, an adjustable leather bracelet, and a stainless steel buckle.

  • Condition: Excellent
  • Bracelet types: steel (original), leather (adjustable) with stainless steel buckle
  • Wrist size compatibility: 7.5 inches
Posted at
Dec 8, 2025, 2:31 PM
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 · $4,225
This Omega Speedmaster Broad Arrow is a 42mm watch in excellent mechanical condition, featuring a white dial.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 42mm diameter
Posted at
Dec 8, 2025, 2:21 PM
Active
[WTS] Omega Speedmaster Professional Hesalite - ref 310.30.42.50.01.001 - $5500 + label

Omega Speedmaster Professional Hesalite - ref 310.30.42.50.01.001 - $5500 + label

Omega Speedmaster Professional Hesalite with ref number 310.30.42.50.01.001 for sale.

  • Case size: 41mm
Posted at
Dec 8, 2025, 2:02 PM
Active
[WTS] 2024 Omega Speedmaster Professional “Sapphire Sandwich” – Full Set

2024 Omega Speedmaster Professional “Sapphire Sandwich” – Full Set

2024 Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” with 42mm stainless steel case, sapphire front and exhibition caseback, black step dial, and manual winding Caliber 3861 Master Chronometer movement.

  • Condition: Excellent (9.5/10)
  • Case Size: 42mm diameter
  • Bracelet Condition: pristine, zero desk wear
Posted at
Dec 8, 2025, 12:44 PM
Active
[WTS] Omega Speedmaster Silver Snoopy Award 310.32.42.50.02.001 w/ Bracelet x Full Set

Omega Speedmaster Silver Snoopy Award 310.32.42.50.02.001 w/ Bracelet x Full Set

Omega - 310.32.42.50.02.001 · $15,000
A 2023 Omega Speedmaster Silver Snoopy Award watch, part of the 50th Anniversary collection, featuring a complete set including bracelet and canvas bands.

  • Condition: Preowned with light wear (hairline scratches)
  • Bracelet Type: Fully linked
  • Canvas Band: yes
Posted at
Dec 8, 2025, 10:28 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤

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

Omega - 145.022-69 · $15,150
Very rare and fully original Omega Speedmaster Moonwatch 145.022-69 in beautiful condition, featuring a deep, even transformation with heavy yellow patina across all indices and matching hands.

  • Case Size: 42mm
  • Year Made: 1969
  • Movement Status: serviced in November 2025
Posted at
Dec 7, 2025, 6:21 PM
Active
[WTS] Omega Speedmaster. 39mm. Triple Date. Clean.

Omega Speedmaster. 39mm. Triple Date. Clean.

This Omega Speedmaster is a 39mm triple date model with clean condition.

  • Condition: Clean
  • Case Size: 39mm
  • Location: NJ USA
Posted at
Dec 7, 2025, 3:59 PM
Active