Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

Reference 310.32.42.50.01.002

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

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 Reduced - 3510.50

Omega Speedmaster Reduced - 3510.50

Omega - 3510.50 · $2,495
A Omega Speedmaster Reduced in good pre-owned condition, featuring a 39mm case size and chronograph function that will require service.

  • Condition: good pre-owned condition
  • Size: 39mm diameter
Posted at
Apr 29, 2026, 1:01 PM
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[WTS] Omega Speedmaster 3519.50.00 “Schumacher World Champion 2001” LE — Racing Dial — $2,599 Shipped (Tariff Covered)

Omega Speedmaster 3519.50.00 “Schumacher World Champion 2001” LE — Racing Dial — $2,599 Shipped (Tariff Covered)

Omega - 3519.50.00 · $2,599
This Omega Speedmaster ref. 3519.50.00 'Schumacher World Champion 2001' Limited Edition features a distinctive racing dial and is powered by an automatic chronograph movement.

  • Condition: Honest condition with light signs of use
  • Case size: 39mm
  • Lug-to-lug: 44mm
  • Thickness: 14mm
Posted at
Apr 29, 2026, 12:39 PM
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[WTS] Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced!

Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced!

Omega - 310.30.42.50.01.002 · $6,595
This Omega Speedmaster Professional features a sapphire crystal front and display caseback, showcasing the stunning omega movement.

  • Condition: near like-new condition
  • Size: 42mm diameter
  • Kit contents: full kit with original double box, all 3 omega cards
Posted at
Apr 29, 2026, 12:25 PM
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[WTS] Omega Speedmaster Ref.3211.30 40mm ( Serviced / Great Condition / Original Box ) 2180USD

Omega Speedmaster Ref.3211.30 40mm ( Serviced / Great Condition / Original Box ) 2180USD

Omega - 3211.30 · $2,180
A great take on the iconic neo-vintage Speedmaster formula, this watch offers everyday wearability with a sporty 40mm case and a clean silver dial.

  • Condition: Excellent condition for its age with only light wear.
  • Case diameter: 40mm
  • Lug width: 19mm
  • Bracelet size: 18.7cm
Posted at
Apr 29, 2026, 12:09 PM
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[WTS] Omega Speedmaster Date 40mm Ref. 3210.50 | Excellent Condition | Original Ref. 1564/975 Bracelet | Caliber 1164 Chronometer | Sapphire Crystal | All Original | $2200 (SERVICED)

Omega Speedmaster Date 40mm Ref. 3210.50 | Excellent Condition | Original Ref. 1564/975 Bracelet | Caliber 1164 Chronometer | Sapphire Crystal | All Original | $2200 (SERVICED)

Omega - 3210.50 · $2,200
The Omega Speedmaster Date Ref. 3210.50 is a modern take on the classic moonwatch, featuring a 40mm case size and a deep black dial with a balanced triple-register layout.

  • Condition: Excellent Condition with light, honest signs of wear
  • Case size: 40mm
  • Thickness: ~15mm
  • Lug width: 19mm
Posted at
Apr 29, 2026, 9:57 AM
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[WTS] Omega Speedmaster Broad Arrow 44.25mm Grey Dial 321.10.44.50.02.001 $2,450

Omega Speedmaster Broad Arrow 44.25mm Grey Dial 321.10.44.50.02.001 $2,450

Omega - 321.10.44.50.02.001 · $2,450
A Omega Speedmaster with a grey dial and 44.25mm case size for sale.

  • Condition: Slight scratches from normal use
  • Diameter: 44.25mm
  • Shipping region: Singapore
  • Shipping time: 4-5 business days to US
Posted at
Apr 29, 2026, 5:48 AM
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[WTS] Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 - $4,750

Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 - $4,750

Omega - 3573.50 · $4,750
This Omega Speedmaster Professional features a stainless steel case, 42mm in diameter, with sapphire crystals front and back, powered by an Omega Calibre 1863 movement. It is a manual wind chronograph from approximately 2005.

  • Condition: Good condition with slight wear marks and one scratch
  • Case size: 42mm
  • Crystal material: Sapphire
  • Movement type: Manual wind chronograph
Posted at
Apr 29, 2026, 12:06 AM
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[wts] 2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599 + FREE SHIPPING

2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599 + FREE SHIPPING

Omega - 310.30.42.50.01.004 · $9,599
2026 Omega Speedmaster “Reverse Panda” with a 42mm steel case, black dial with white sundials, and a 3861 movement providing 50 hours of power reserve.

  • Condition: Preowned, 9.9/10 Cosmetic Condition
  • Case size: 42mm
  • Movement: 3861
  • Power reserve: 50 Hours
Posted at
Apr 28, 2026, 11:12 PM
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[WTS] OMEGA Speedmaster Professional MOONWATCH Sapphire Sandwich

OMEGA Speedmaster Professional MOONWATCH Sapphire Sandwich

OMEGA - 311.30.42.30.01.006 · $5,799
This is the iconic OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich, featuring a timeless design and highly sought-after sapphire crystal configuration.

  • Condition: mint condition
  • Case material: steel
  • Band material: steel
  • Crystal material: sapphire
Posted at
Apr 28, 2026, 10:28 PM
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