Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference 310.20.42.50.02.001

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.02.001 is a stunning blend of classic design and cutting-edge technology, featuring a stainless steel case, Moonshine gold accents, and sophisticated chronograph functionality. At the heart of this timepiece is the Omega caliber 3861 movement, certified as a Master Chronometer by METAS and boasting advanced features like a co-axial escapement, silicon balance spring, and magnetic resistance of up to 15,000 gauss. The Speedmaster's ergonomic design ensures it sits comfortably on the wrist, while its 50-meter water resistance makes it practical for daily wear. This watch is incredibly versatile, adapting effortlessly from formal events to casual days out, and its durability is ensured by top-notch materials like ceramic, stainless steel, and Moonshine gold. With a price point that reflects its quality and heritage, the Omega Speedmaster Professional Moonwatch 3861 is an investment in horological history.

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Key Features

Omega caliber 3861 movement with co-axial escapement and silicon balance spring
50-meter water resistance for everyday wear
Chronograph functionality with precise timing and intuitive layout
Moonshine gold accents and stainless steel case for luxurious appearance
Sapphire glass for scratch-resistance and durability
Master Chronometer certification by METAS for high accuracy and reliability

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference

310.20.42.50.02.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

42mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

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Posted at

Mar 27, 2026, 6:26 PM

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Condition: Pre-owned with minor scratches
Year of ownership: 1
Lug condition: ding on one lugs
Clasp condition: light scratches

Posted at

Mar 27, 2026, 6:04 PM

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Condition: Excellent condition with hardly any signs of wear
Year: 2024
Set includes: double boxed, cards including warranty card, manual

Posted at

Mar 27, 2026, 4:48 PM

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Material: polyester
Lug width compatibility: 19-20mm

Posted at

Mar 27, 2026, 4:45 PM

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Omega - 3510.50 · $2,399

This is an Omega Speedmaster Reduced 3510.50 sold with a 7" bracelet. The watch has some small dings on the side of the bezel and a dot on the dial.

Condition: Watch only, some small dings on side of bezel and a dot on dial
Bracelet length: 7"
Payment methods: Zelle, Venmo, or Western Union

Posted at

Mar 27, 2026, 4:36 PM

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Condition: lightly worn
Materials included: all original materials and bracelet links
Payment methods accepted: Venmo or PayPal

Posted at

Mar 27, 2026, 3:38 PM

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1998 Omega Speedmaster Reduced with original bracelet! Serviced, tariffs covered!! - $2680 shipped!

Omega - 3510.50 · $2,680

This listing is for a 1998 Omega Speedmaster Reduced automatic winding watch with its original bracelet. The watch features a stainless steel case, Hesalite crystal, and an Omega signed crown.

Condition: 9/10
Case size: 39mm diameter
Movement type: automatic winding

Posted at

Mar 27, 2026, 9:37 AM

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