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

[US] Omega Speedmaster Moonphase - Black Dial - 44mm - 304.30.44.52.01.001

Omega - 304.30.44.52.01.001 · $6,725

Up for sale is an Omega Speedmaster Moonphase - Black Dial - 44mm watch that functions perfectly mechanically.

Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
Case size: 44mm diameter

Posted at

May 7, 2026, 6:52 AM

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Omega Speedmaster 3861 Bracelet 020STZ013434

Omega - 3861 Bracelet, 020STZ013434 · $600

Up for sale is an authentic Omega Speedmaster 3861 Bracelet, which fits the 42mm modern and 1861 speedy's.

Condition: like new, barely worn
Lug width: 20mm
Clasp width: 15mm

Posted at

May 6, 2026, 11:40 PM

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Omega Speedmaster Moon to Mars Special Edition

Omega - 3577.50 · $6,500

The Omega Speedmaster Pro 'Moon to Mars' features a beautiful dial with subdials painted as Earth, Moon and Mars.

Condition: good, with a scratch on the crystal at 1 o'clock
Movement: 1861 Manual
Size: 42mm diameter
Bracelet size: fits about 7 inches

Posted at

May 6, 2026, 9:13 PM

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Omega Speedmaster Professional White 42MM - Ref 310.32.42.50.04.002 (NEW 2026 COMPLETE SET)

Omega - 310.32.42.50.04.002 · $7,300

A brand new Omega Speedmaster Professional White, reference number 310.32.42.50.04.002, comes with a complete set including the outer sleeve, box, cards, manuals, and more.

Condition: New
Case size: 42mm
Warranty date: 04/16/2026

Posted at

May 6, 2026, 6:05 PM

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2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn

Omega - 310.30.42.50.01.004 · $9,800

This new Omega Speedmaster Reverse Panda is an unworn modern Speedmaster that comes with the full set, including a stainless steel bracelet and sapphire crystal.

Condition: Like New
Material: Stainless Steel
Bracelet material: Stainless Steel
Size: 42mm diameter

Posted at

May 6, 2026, 4:07 PM

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2025 Omega Speedmaster Professional "Sapphire Sandwich" 310.30.42.50.01.002

Omega - 310.30.42.50.01.002 · $5,600

A lightly worn Omega Speedmaster Professional with a Calibre 3861 movement, sapphire crystals, and an aluminum tachymeter bezel.

Condition: lightly worn; excellent shape
Movement: Calibre 3861
Caseback: factory sealed, no modifications made
Bracelet: OEM steel bracelet, fully linked and comfortable to wear

Posted at

May 6, 2026, 2:46 PM

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Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.002 · $7,250

This is an Omega Speedmaster Moonwatch Professional Sapphire with a 42mm stainless steel case and 3861 Omega Master Chronometer Movement.

Condition: Brand new
Case size: 42mm diameter
Movement: 3861 Omega Master Chronometer Movement

Posted at

May 6, 2026, 12:55 PM

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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 is a brand new watch with all original packaging and papers, featuring a stainless steel case and 3861 Omega Master Chronometer Movement.

Condition: Brand new
Case size: 42mm diameter
Movement type: Master Chronometer

Posted at

May 6, 2026, 12:46 PM

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Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)

Omega - 522.30.38.50.04.001 · $6,900

The Omega Speedmaster Milano Cortina 2026 features a varnished white dial with a frosted blue pattern, a stamped Olympic medallion caseback and is part of the full set with boxes, warranty card and other accessories.

Condition: Like New
Case size: 38mm diameter
Thickness: 14.75mm
Lug to lug length: 44.96mm

Posted at

May 5, 2026, 10:07 PM

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