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 Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.001 · $6,250
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 3861 Omega Master Chronometer
  • Crystal material: Hesalite
Posted at
May 14, 2026, 2:53 PM
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[WTS] Omega Speedmaster '57 Manual Wound 332.10.41.51.01.001 $5,299

Omega Speedmaster '57 Manual Wound 332.10.41.51.01.001 $5,299

Omega - 332.10.41.51.01.001 · $5,299
The Omega Speedmaster '57 is a modern watch that balances vintage charm with sophisticated technology, ideal for those who want a dressier, traveler-friendly Speedmaster.

  • Condition: great condition with a few swirls on the bracelet clasp
  • Case Size: 40.5mm diameter
  • Lug To Lug: 49.6mm length
  • Lug Width: 20mm width
Posted at
May 14, 2026, 2:06 PM
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[WTS] omega speedmaster reduced 3511.50, perfectly functional, no box and papers, 2100$

omega speedmaster reduced 3511.50, perfectly functional, no box and papers, 2100$

Omega - 3511.50 · $2,100
A 39mm Omega Speedmaster Reduced 'reverse panda' with a 1-year warranty from an Italian shop.

  • Condition: Perfectly functional
  • Case size: 39mm
  • Wrist size: 18cm maximum
Posted at
May 14, 2026, 1:43 PM
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[WTS] 2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

Omega - 304.93.44.52.03.001 · $9,395
The Omega Speedmaster Moonwatch - Blue Side of the Moon is a 2023 model, featuring a moonphase display and a blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
  • Shipping: Fully insured in the USA through Fedex
Posted at
May 14, 2026, 12:58 PM
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[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Omega - 304.30.44.52.01.001 · $7,995
Up for sale is a Omega Speedmaster Moonphase Black, a watch that features the moon phase function, and it's in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 14, 2026, 12:51 PM
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[WTS] Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega - 3510.50 · $549
A full-size Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and an original Omega folding clasp.

  • Condition: Excellent vintage condition (94/100)
  • Model compatibility: Omega Speedmaster Reduced 3510.50
  • Bracelet reference: 1469
  • Endlinks reference: 811 (pair included)
Posted at
May 14, 2026, 8:54 AM
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[WTS] OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA - 311.63.44.51.06.001 · $11,000
This Omega Speedmaster Dark Side of the Moon Sedna Gold Accent features a laser ablated matte grey dial, ceramic case, and black leather strap. It comes as a complete set with warranty and pictogram card.

  • Condition: Good
  • Case material: Ceramic
  • Diameter: 44mm
  • Strap type: Black leather with deployment clasp
Posted at
May 14, 2026, 7:08 AM
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[WTS] Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2285

Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2285

Omega - 3221.30.00 · $2,285
The Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 is a 40mm stainless steel watch with a thickness of around 15mm and water resistance up to 100m. It features a silver dial with chronograph registers, day, date, month, and GMT indications.

  • Condition: Great serviced condition
  • Case size: 40mm
  • Thickness: around 15mm
  • Water resistance: 100m
Posted at
May 13, 2026, 11:47 PM
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[WTS] Omega Speedmaster Date

Omega Speedmaster Date

Omega - 3212.80 · $1,999
A beautiful blue Omega Speedy Date in overall good condition.

  • Condition: Good condition with normal wear on the case and bracelet, scratches on the aluminum bezel.
  • Movement: Cal 1164
  • Size: 40mm diameter
Posted at
May 13, 2026, 10:04 PM
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