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

Memorial Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Omega - 3510.61 · $2,945

This Omega Speedmaster Reduced ‘Red Schumacher’ is a unique and collectible variant of the Speedmaster line, featuring a bright red dial, original bracelet, and late 90s / early 2000s Omega styling.

Condition: Very nice condition for its age with normal light wear consistent with use
Bracelet size: ~6.75 inch wrist diameter
Additional links included: 2
Movement type: Automatic chronograph

Posted at

May 22, 2026, 10:34 PM

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Omega Speedmaster 57’ Co Axial Chronograph 41.5mm Ref. 321.10.42.50.01.001 Full Set $3,895 Shipped

Omega - 321.10.42.50.01.001 · $3,895

This is the modern automatic Speedmaster '57 featuring the Omega Co Axial caliber 9300 chronograph movement, date complication, sapphire crystal, display caseback, and broad arrow handset.

Condition: Very clean condition
Case size: 41.5mm
Movement: Omega Co Axial caliber 9300

Posted at

May 22, 2026, 10:01 PM

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Omega Speedmaster Reduced 39mm 3510.50 | Watch and Undated Card

Omega - 3510.50 · $3,250

This Omega Speedmaster Reduced is a 39mm model featuring a service history unknown and 7 s/d 275 AMP. It comes with an undated card.

Condition: Good Pre-Owned with Marks on Hesalite
Service History: Unknown
Bezel Type: Hesalite

Posted at

May 22, 2026, 9:38 PM

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Omega Speedmaster Professional Moonwatch 42MM White Dial Full Set

Omega - 310.32.42.50.04.002 · $7,700

This Omega Speedmaster Professional Moonwatch features a 42mm steel case, paired with a black aluminum bezel and a skeletonized case back. The crisp white dial showcases luminous hands and three chronograph subdials.

Case size: 42mm
Bezel material: black aluminum
Bezel features: luminous tachymeter scale

Posted at

May 22, 2026, 9:34 PM

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Omega Speedmaster 38MM Cappuccino Dial 18k Sedna Gold Full Set

Omega - 324.23.38.50.02.002 · $6,000

A 2023 Omega Speedmaster with a 38mm case size, suitable for both men and women, featuring an 18K Sedna Gold case and Cappuccino Dial.

Condition: Great condition
Case Size: 38mm
Material: 18K Sedna Gold
Band Material: Taupe-brown leather

Posted at

May 22, 2026, 9:19 PM

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Labor Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Omega - 3510.61 · $2,945

Condition: Very nice condition for its age with normal light wear consistent with use
Bracelet Fits Wrist Size: ~6.75 inch wrist depending on preferred fit
Bezel Error: 0.1 ms
Amplitude: 275-299

Posted at

May 22, 2026, 8:30 PM

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Labor Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Omega - 3861 Sapphire · $6,375

A classic Omega Speedmaster Professional Moonwatch in excellent condition, featuring a sapphire crystal front and back, Co-Axial Master Chronometer movement, and original and upgraded bracelet clasps.

Condition: Excellent overall condition, very light wear from normal use
Box And Papers: full set
Bracelet Length: full links plus additional uncle Seiko 1.5 links
Clasp Type: original clasp + micro-adjust clasp

Posted at

May 22, 2026, 8:25 PM

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