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

Current Listings

Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $9,850

The Omega Speedmaster Ed White Ref. 105.003-65 is a historic watch that holds a special place in Omega's history, being the last straight-lug Speedmaster worn by astronauts during NASA’s Gemini missions. It features a stunning brown tropical dial with rich patina and tritium hands that respond under UV light.

Condition: Very good condition, with signs of a previous polish and rich patina on the dial
Case size: 39mm
Movement service date: July 2025

Posted at

Feb 9, 2026, 12:18 PM

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Omega Speedmaster Moonphase 304.33.44.52.03 Blue Dial 44.25mm Full Set

Omega - 304.33.44.52.03 · $7,494

A pre-owned Omega Speedmaster Moonphase featuring a blue dial, moonphase complication, and Co-Axial Master Chronometer automatic movement.

Condition: Very good
Case size: 44.25mm diameter
Movement: Co-Axial Master Chronometer automatic
Complications: chronograph and moonphase

Posted at

Feb 9, 2026, 9:53 AM

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Omega Speedmaster Professional Sapphire 3861 - Mint Condition

Omega - 310.30.42.50.01.002 · $5,900

This Omega Speedmaster Professional Sapphire is a high-end timepiece with a sapphire caseback and new bracelet, featuring excellent condition and including the full box presentation and accessories.

Condition: Mint Condition
Bracelet: new
Case back material: sapphire

Posted at

Feb 9, 2026, 7:09 AM

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3220.50 Omega Speedmaster Day-Date Black Dial 40mm $2,150

Omega - 3220.50 · $2,150

This Omega Speedmaster Day-Date features a black dial and is 40mm in size.

Condition: Good condition with little signs of use
Wrist size fit: about 18.5cm
Service history: recently serviced with excellent timegrapher numbers
Polish option: full polish and service can be requested prior to purchase

Posted at

Feb 9, 2026, 1:59 AM

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OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster Dark Side of the Moon Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a laser-ablated dial representing the lunar surface.

Condition: UNWORN
Case diameter: 44.25mm
Movement: Calibre 1869

Posted at

Feb 8, 2026, 7:44 PM

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OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$17,500🔥

OMEGA - 311.30.40.30.01.001 · $17,500

A faithful recreation of the Speedmaster Calibre 321, famously worn by astronaut Ed White during America's first spacewalk, featuring a stainless steel case and iconic straight lugs.

Condition: UNWORN
Case Material: stainless steel
Diameter: 39.7mm
Movement: Calibre 321 column-wheel chronograph movement

Posted at

Feb 8, 2026, 7:32 PM

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Omega Speedmaster Professional, White Lacquer Dial - BNIB - $7,000

Omega - 310.30.42.50.05.001 · $7,000

The Omega Speedmaster Professional features a white lacquer dial and is a Master Chronometer with Cal. 3861 movement.

Condition: BNIB, perfect 10/10 condition
Movement: Master Chronometer Omega Cal. 3861
Strap material: black rubber

Posted at

Feb 8, 2026, 6:24 PM

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Omega Speedmaster DSOTM - Vintage Edition

Omega - 311.92.44.51.01.006 · $6,600

This Omega Speedmaster Dark Side of the Moon Vintage Edition is a rare and no longer made version, featuring a black ceramic case with good specifications including a +0s/day accuracy.

Condition: Nearly perfect
Case Diameter: 44mm
Lug To Lug: 49mm
Weight: 99 grams

Posted at

Feb 8, 2026, 4:34 PM

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