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

Omega Speedmaster Legend Schumacher ref 3506.61 PRICE DROP

Omega - 3506.61 · $3,999

This Omega Speedmaster Legend Schumacher features a striking red dial and special collection engraved case back, with a stainless steel bracelet.

Condition: like new
Case material: stainless steel
Bracelet: full links attached stainless steel bracelet
Warranty included: yes

Posted at

Feb 2, 2026, 6:49 PM

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Horus Rubber Straps for Omega Speedmaster & Moonswatch + Fits other brands (Well below retail)

· $49

Horus rubber straps designed for Omega Speedmasters and Moonswatches. They are made of supple material and come in various colors.

Condition: Like New
Colors: 12 different colors: Blue Lavender, Light pink, Red, Navy blue w/ white stripe, Translucent Lime Green, Sky Blue, Cream, Hot Pink
Compatible Brands: Omega Speedmaster, Sinn, Zelos Swordfish, Heuer, Seamasters, IWC

Posted at

Feb 2, 2026, 5:09 PM

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Omega Speedmaster Moonwatch 42mm White Box & Papers

Omega - 310.30.42.50.04.001 · $5,500

The Omega Speedmaster Moonwatch 42mm features a sleek silver case, black bezel, and mechanical manual movement with 26 jewels.

Condition: very good
Movement Type: mechanical manual
Jewels: 26

Posted at

Feb 2, 2026, 3:29 PM

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OMEGA Speedmaster date with card $2200

OMEGA - Speedmaster date · $2,200

A Classic Omega Speedmaster date is being sold, and comes with an undated warranty card.

Condition: Works as expected
Warranty: undated
Shipping: within CONUS

Posted at

Feb 2, 2026, 1:10 PM

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Omega Speedmaster Moonphase 304.33.44.52.03 Blue Dial 44.25mm Full Set

Omega - 304.33.44.52.03.001 · $7,494

This Omega Speedmaster Moonphase features a blue dial with the moonphase complication at 6 o'clock and is powered by Omega's Co-Axial Master Chronometer automatic movement.

Condition: Very good
Case size: 44.25mm diameter
Movement type: Co-Axial Master Chronometer automatic
Complications: Chronograph with moonphase

Posted at

Feb 2, 2026, 10:43 AM

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Omega Speedmaster Moonswatch Ref 311.30.42.30.01.005

Omega - 311.30.42.30.01.005 · $3,900

This Omega Speedmaster Professional Moonwatch is a model from the years 2014-2016, featuring watch and service papers from 2021.

Year Of Manufacture: 2014-2016
Label: with label

Posted at

Feb 2, 2026, 9:56 AM

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Omega Speedmaster Aventurine Dial 304.93.44.52.03.002

Omega - 304.93.44.52.99.001 · $11,250

A standout piece in the modern Moonphase lineup featuring a blue aventurine dial with shimmering star-field effect.

Material: Ceramic case with 18K Sedna Gold
Dial: Blue aventurine with moonphase & date pointer
Case size: 44.25mm diameter

Posted at

Feb 2, 2026, 9:09 AM

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Omega Speedmaster Moonphase 304.33.44.52.01.001

Omega - 304.33.44.52.01.001 · $7,575

The Omega Speedmaster Moonphase features a deep black sunburst dial with subdial complications, suitable for both casual and business wear. The watch is comfortable to wear, despite its 44mm case diameter. It comes as a full set with warranty card dated 2021.

Condition: like new
Case material: stainless steel
Case diameter: 44.25 mm
Movement: Omega Co-Axial Master Chronometer Cal. 9904

Posted at

Feb 2, 2026, 8:42 AM

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