Omega Speedmaster Speedmaster Professional Moonwatch Plexi / See-Through / Leather

Reference 3872.50.01

Omega Speedmaster Professional Moonwatch Plexi / See-Through / Leather

About this watch

The Omega Speedmaster Professional Moonwatch Plexi is a stunning celebration of design, functionality, and history. Its sleek stainless-steel case, measuring 42mm in diameter, strikes a perfect balance between elegance and masculinity. The black dial with stick and dot indexes is both stylish and functional, while the tachymeter bezel adds a sporty touch. The open case back showcases the intricate workings of the Omega caliber 1863 movement, allowing watch enthusiasts to appreciate the craftsmanship that goes into each timepiece. This hand-wound chronograph features 18 jewels and boasts a power reserve of 48 hours, delivering accurate timekeeping with its frequency of 21,600 vibrations per hour. The chronograph functionality is where this watch truly shines, allowing you to measure elapsed time with precision. With a water resistance of 50 meters, the Omega Speedmaster Professional Moonwatch can handle splashes and brief immersions. Its rich history adds a layer of nostalgia and significance to the watch, making it not just a fashion statement but also a smart investment. Whether you're a seasoned collector or a first-time buyer, this watch offers something special for everyone.

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Key Features

Omega caliber 1863 movement
Hand-wound chronograph with 18 jewels
48-hour power reserve
Tachymeter bezel
Plexiglass crystal
Open case back
50-meter water resistance

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch Plexi / See-Through / Leather

Reference

3872.50.01

Movement

1863

Movement Features

Hours, Minutes, Small Seconds
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Moonphase 2023 Black 304.30.44.52.01.001 Full Set - $7,795

Omega - 304.30.44.52.01.001 · $7,795

Up for sale is an Omega Speedmaster Moonphase Black, a 2023 model in excellent condition.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual

Posted at

Mar 12, 2026, 5:54 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Moonwatch – 2021 – Hesalite – Excellent

Omega - 310.30.42.50.01.001 · $5,150

This is the new generation reference 3861, featuring the updated Master Chronometer movement and classic hesalite crystal, keeping the traditional Moonwatch look.

Condition: Excellent
Case Size: 42mm diameter
Movement: Manual Wind (Omega Caliber 3861)
Crystal: Hesalite

Posted at

Mar 12, 2026, 4:12 PM

Active

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Omega Speedmaster Reduced Two Tone - 39mm - 175.0033 - $2,750 Shipped

Omega - 175.0033 · $2,750

For sale is a Beautiful Omega Speedmaster Reduced, this is the white dial version.

Condition: Great vintage condition, light hairlines on bezel and case
Case size: 39mm
Material: Two Tone
Movement status: Running

Posted at

Mar 12, 2026, 3:18 PM

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Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.01.001 – Full Set – $3,800 + shipping

Omega - 324.30.38.50.01.001 · $3,800

The Omega Speedmaster 38 Co-Axial Chronograph features a black dial on the stainless steel bracelet, with typical hairline marks on the bracelet and a small scratch on the clasp. The crystal and dial are clean. This watch comes in its full set.

Condition: great condition with light wear
Bracelet size: not specified
Crystal type: not specified
Dial color: black

Posted at

Mar 12, 2026, 12:19 PM

Active

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Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 with Box & Manuals

Omega - 310.30.42.50.01.002 · $6,150

This Omega Speedmaster Professional Moonwatch features a stainless steel case, black bezel, and manual wind mechanical movement.

Condition: Nice Preowned Condition with Some Light Scratches on the Case, Bracelet and Buckle
Case dimensions: 42mm diameter
Bezel material: Stainless Steel
Dial color: Black

Posted at

Mar 11, 2026, 7:04 PM

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OMEGA X SWATCH Speedmaster Uranus

Omega · $350

A Speedmaster watch, purchased on vacation in Thessaloniki Greece, that has been worn less than 5 times and is not suited for the seller's lifestyle.

Condition: Very good

Posted at

Mar 11, 2026, 4:20 PM

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OMEGA X SWATCH Speedmaster Pluto

Omega - Speedmaster · $350

Condition: Excellent, possibly only worn once
Origin: Purchased in Paris at the Le Marais boutique

Posted at

Mar 11, 2026, 4:16 PM

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Omega Speedmaster Reduced 3510.50 39mm Watch Only $2,500

Omega - 3510.50 · $2,500

A Speedmaster Reduced from Omega, a watch only sale with the bracelet fitting about 18cm wrists.

Shipping origin: Singapore
Shipping to usa: 4-5 business days
Payment methods: Wise, Revolut, Wire Transfer, Crypto, Venmo

Posted at

Mar 11, 2026, 5:20 AM

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Omega Speedmaster Professional Moonwatch (Hesalite)

Omega - 310.30.42.50.01.001 · $5,750

This modern Omega Speedmaster Professional Moonwatch features Master Chronometer technology, a stainless steel case, and a black anodized aluminum tachymeter bezel.

Condition: Excellent
Case size: 42mm
Movement type: Co-Axial Master Chronometer Caliber 3861
Power reserve: 50 hours

Posted at

Mar 11, 2026, 12:04 AM

Active

View listing on r/WatchExchange