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

[EU] Omega Speedmaster Professional 145.022

Omega - 145.022 · $1,250

This Omega Speedmaster Professional is a pre-owned watch in poor condition. The hesalite crystal is badly scratched, and the case and strap are worn out. The chronograph function is not working.

Condition: Bad
Service history: No service history
Chronograph buttons: Bottom button presses in, top button does not press in
Movement untouched: Minimum 40-50 years since last opened

Posted at

Jan 1, 2026, 6:56 AM

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Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425

A classic 1969 Omega Speedmaster Moonwatch featuring the step dial and flat case back, presenting beautifully in full steel with a warm yellow patina and grey 'ghost' bezel.

Condition: Serviced, lightly polished case with original step dial and tritium lume
Size: 42mm
Year: 1969
Movement serviced: true

Posted at

Jan 1, 2026, 3:18 AM

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Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers

Omega - 326.30.40.50.03.001 · $3,999

2022 Omega Speedmaster Racing "Blue Dial" 40mm watch with slight wear on the bracelet, sold in its original 2022 box and papers.

Condition: Excellent Pre-Owned Condition
Bracelet links: 12 full links, couple half links
Amp hours: 350

Posted at

Jan 1, 2026, 12:40 AM

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OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda

OMEGA - 326.30.40.50.01.002 · $2,995

A pre-owned OMEGA Co-Axial Speedmaster Racing watch in good condition, featuring a reverse panda dial. It comes with original authentication cards and an aftermarket box.

Condition: Pre-Owned, typical desk diving marks, scuffs on the clasp
Water Resistance: 30m
Strap Type: Leather, Hirsch
Buckle Type: Authentic 18mm OMEGA

Posted at

Dec 31, 2025, 7:21 PM

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2024 Omega Speedmaster Professional 3861 Sapphire Sandwich with OTF clasp

Omega - 3861 · $6,599

The Omega Speedmaster Professional is a high-end watch featuring an updated clasp and full kit, along with its warranty. It has a good condition with just faint hairlines on the clasp.

Condition: excellent to near like new
Clasp type: On-the-Finger (OTF)
Warranty status: stamped Spring of last year
Condition notes: very faint hairlines on the clasp, zero gashes/dings

Posted at

Dec 31, 2025, 5:52 PM

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