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 Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050

This Omega Speedmaster Professional Moonwatch is a well-preserved and reliable example of the Speedmaster Moonwatch from 1978. It features an original black tritium dial with even yellow patina across all hour markers, adding warmth and character to the watch.

Condition: Very good overall shape, all-original condition
Case diameter: 42mm
Year of production: 1978
Bracelet size: 7.6–7.7 inches (19.7 cm)

Posted at

Mar 13, 2026, 1:02 PM

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Omega Speedmaster Reduced 3510.82 " Blue " JDM LE - $4199 - DHL

Omega - 3510.82 · $499

This Omega Speedmaster Reduced Limited Edition is a beautiful example of the Japanese market's exclusive 'Blue' dial, produced in 2003 and limited to 1,500 pieces.

Condition: Good (9/10)
Limited edition size: 1,500 pieces
Case size: 39mm diameter
Condition rating: 9/10

Posted at

Mar 13, 2026, 11:43 AM

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OMEGA Speedmaster Date 40mm 18k Bezel Full Kit

Omega - 323.21.40.40.02.001 · $3,500

Up for sale is a Omega Speedmaster Date 40mm Steel/Yellow Gold Ref. 323.21.40.40.02.001, a full kit.

Case size: 40mm diameter
Material: Steel and Yellow Gold

Posted at

Mar 13, 2026, 10:36 AM

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Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 · $1,800

This Omega Speedmaster Date features a deep sunburst textured black dial with a classic polished bezel, powered by the Omega 1152, Valjoux 7750 date automatic chronograph.

Condition: Good
Case size: 39mm diameter
Wrist size limit: 7.3-inch wrist

Posted at

Mar 13, 2026, 10:00 AM

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Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $8,125

This Omega Speedmaster Moonwatch Professional features a white dial and is sold as a full set, including box, historical booklet, user manual, microfiber cloth, master chronometer card, warranty card, and more. The watch functions perfectly mechanically and comes in fantastic condition.

Condition: pristine with minor hairlines on clasp, case, and bracelet
Case size: 42mm diameter

Posted at

Mar 13, 2026, 5:33 AM

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Omega Speedmaster Broad Arrow - White Dial + Blued Hands - 42mm - 321.10.42.50.02.001

Omega - 321.10.42.50.02.001 · $4,075

This Omega Speedmaster Broad Arrow features a white dial and blued hands in a 42mm case.

Condition: Fantastic condition with minor hairlines on bracelet, case, and clasp
Case Size: 42mm
Year: 2008

Posted at

Mar 13, 2026, 5:28 AM

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Omega OEM Integrated Speedmaster Rubber Strap + OEM Deployant Clasp – 20mm

Omega - 032Z017245, STZ007387 · $520

A set of Omega OEM accessories for the Speedmaster watch, including a black rubber strap and deployant clasp.

Condition: Excellent condition overall
Material: rubber, stainless steel
Strap taper: 20mm to 16mm

Posted at

Mar 12, 2026, 9:16 PM

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Omega Speedmaster Moonphase 2023 Black 304.30.44.52.01.001 Full Set - $7,795

Omega - 304.30.44.52.01.001 · $7,795

Up for sale is an Omega Speedmaster Moonphase Black, a 2023 model in excellent condition.

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

Posted at

Mar 12, 2026, 5:54 PM

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Omega Speedmaster Professional Moonwatch – 2021 – Hesalite – Excellent

Omega - 310.30.42.50.01.001 · $5,150

This is the new generation reference 3861, featuring the updated Master Chronometer movement and classic hesalite crystal, keeping the traditional Moonwatch look.

Condition: Excellent
Case Size: 42mm diameter
Movement: Manual Wind (Omega Caliber 3861)
Crystal: Hesalite

Posted at

Mar 12, 2026, 4:12 PM

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