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] 2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

A 2025 Omega Speedmaster Professional Moonwatch Sapphire Sandwich, purchased in January 2025 and running perfectly.

  • Condition: Excellent preowned condition with minor signs of wear
  • Year: 2025 (factory warranty until Jan 2030)
  • Size: 42mm diameter
  • Retail: $9000
Posted at
Oct 21, 2025, 4:37 PM
Active
[WTS] Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega - 310.92.44.50.01.001 · $11,950
A wonderful example of the Omega Speedmaster Dark Side Moon Apollo 8 model, featuring a black ceramic skeletonized dial and updated laser ablated moon surface. Paired with a Saturn V rocket constant seconds hand, this is one of the most detailed black ceramic watches to wear.

  • Condition: Mint condition, appears completely unworn
  • Case size: 44.25mm
Posted at
Oct 21, 2025, 4:34 PM
Active
[WTS] Omega Speedmaster Mark II

Omega Speedmaster Mark II

Omega - 145.014 · $2,650
A 70's Omega Speedmaster Mark II in great shape, keeping time and chronograph functioning as it should. The watch has a chunky case that balances out with the drape of the bracelet, making it wear well.

  • Condition: Excellent, with minor degradation of paint on hour counter hand
  • Case Dimensions: 42.5mm width x 45.5mm length x 15mm thickness
  • Bracelet Adjustability: expandable to accommodate wrists up to 6.75"
  • Water Resistance Status: not guaranteed
Posted at
Oct 21, 2025, 3:58 PM
Active
[WTS] OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

The OMEGA Speedmaster '57 Heritage is a rare automatic version that bridges two worlds: precision instrument and personal treasure. It features a black dial with beige indices, sub-dials at 9 and 3 o'clock, and recessed hour markers with Super-LumiNova.

  • Condition: pre-owned with minor cosmetic flaws (AR coating mark)
  • Case size: 41.5mm diameter
  • Movement type: automatic chronograph
Posted at
Oct 21, 2025, 3:38 PM
Active
[WTS] Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega - 3220.50 · $2,350
This Omega Speedmaster Triple Date 3220.50 features a classic look with additional Chronometer functionality, available for sale in very good condition.

  • Condition: Very good pre-owned condition
  • Case diameter: 40mm
  • Crystal condition: clean
  • Bracelet condition: desk rash, minor scratches
Posted at
Oct 21, 2025, 2:55 PM
Active
[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set - Brand New

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set - Brand New

This Omega Speedmaster First Omega in Space watch is a brand new timepiece that comes with a full set, including the watch itself, box, historical manual, user manual, microfiber cloth, and other accessories. It features a fantastic condition with only stickers on the case and clasp.

  • Condition: Brand New
  • Case size: 40mm diameter
  • Serial number included: true
Posted at
Oct 21, 2025, 9:11 AM
Active
[WTS] Omega Speedmaster 3861 Hesalite (6k)and Sapphire (7k) 🔥Brand New 2024🔥

Omega Speedmaster 3861 Hesalite (6k)and Sapphire (7k) 🔥Brand New 2024🔥

This listing is for a Brand New Omega Speedmaster 3861, available in both Hesalite and Sapphire crystal options. The watch comes complete with its original box, warranty card dated 2024, and other accessories.

  • Condition: Brand New
  • Material: Hesalite and Sapphire
  • Year: 2024
Posted at
Oct 21, 2025, 8:23 AM
Active
[WTS] Omega Speedmaster Racing 44mm Automatic

Omega Speedmaster Racing 44mm Automatic

This Omega Speedmaster Racing is a pre-owned timepiece from 2018, featuring a leather strap with light wear and comes with its original packaging and documentation.

  • Condition: very good condition
  • Case size: 44mm
  • Movement: automatic
Posted at
Oct 20, 2025, 9:49 AM
Active