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 ‘57 reference 331.12.42.51.01.001 - Complete set with hang tag, undated

Omega - 331.12.42.51.01.001

For sale is an Omega Speedmaster '57 reference 331.12.42.51.01.001, complete set with hang tag and undated.

Condition: undated
Diameter: 42mm

Posted at

Apr 24, 2026, 11:48 AM

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2025 Omega Speedmaster Racing 329.32.44.51.06.001 44MM Full Set

Omega - 329.32.44.51.06.001 · $6,450

This is a 2025 Omega Speedmaster Racing Chronograph with a silver/grey dial and a 44mm case size. It comes as a full set with box, papers, and warranty coverage through January 2030.

Condition: Excellent
Case Size: 44mm diameter
Box And Papers: true

Posted at

Apr 24, 2026, 10:26 AM

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2025 Omega Speedmaster Professional Sapphire

Omega - Speedmaster Professional Sapphire · $6,875

This Omega Speedmaster Professional Sapphire is being sold with a full kit and has been pressure tested at the Omega AD in April. It comes with a luna replica NASA velcro strap for reference.

Purchase History: purchased from this subreddit
Inclusions: full kit, luna replica NASA velcro strap
Wrist Size Reference: 6.5"

Posted at

Apr 24, 2026, 9:48 AM

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

Omega - 3510.50 · $599

This is an original Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and a folding clasp with tight action.

Condition: 94/100 - excellent vintage condition
Bracelet reference: 1469
Endlinks reference: 811 (pair included)
Total links: 22 (full complete set)

Posted at

Apr 24, 2026, 9:10 AM

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[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,650

A Omega Speedmaster Calibre 321 in black dial, with a 39.7mm case size and reference number 311.30.40.30.01.001.

Condition: pristine with minor hairlines on clasp, case, and bracelet
Diameter: 39.7mm

Posted at

Apr 24, 2026, 8:35 AM

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[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $7,975

Up for sale is an Omega Speedmaster Moonwatch Professional - White Dial, in fantastic condition and functions perfectly.

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

Posted at

Apr 24, 2026, 8:29 AM

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Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Full Set

Omega - 50th Anniversary Limited Edition · $10,549

A numbered Omega Speedmaster 50th Anniversary Limited Edition, No. 927 of 1,957 pieces, a highly collectible tribute to the original 1957 Speedmaster.

Condition: Very good overall condition with honest wear
Case size: 42mm diameter
Dial material: black enamel
Movement type: Omega manual-wind chronograph

Posted at

Apr 23, 2026, 11:59 PM

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Omega Speedmaster Date ref. 3211.30.00 40mm | Great Condition (with Box & Serviced) | $2300

Omega - 3211.30.00 · $2,300

The Omega Speedmaster Date ref. 3211.30.00 is a modern Speedmaster that delivers a lot of watch for the money, with a clean all-silver dial configuration and polished hands creating a refined and versatile look.

Condition: great condition
Case size: 40mm diameter
Lug to lug length: 50mm
Thickness: 15mm

Posted at

Apr 23, 2026, 9:27 PM

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