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. Sapphire Sandwich. Automatic. Box, Papers.

Omega - 311.30.44.50.01.002 · $4,950

Omega Speedmaster, also known as the Sapphire Sandwich, is a high-end automatic watch that features strong lume.

Water Resistance: 30m
Box And Papers: true

Posted at

Jan 13, 2026, 1:38 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Sapphire

Omega - Speedmaster Moonwatch · $5,900

A Omega Speedmaster Moonwatch listed for sale, stated to run great with excellent case condition.

Condition: Excellent
Case condition: Excellent

Posted at

Jan 13, 2026, 8:40 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Two Tone Reduced

Omega - 3714.20.80 · $2,500

A rare two-tone Omega Speedmaster reduced, featuring a white dial and gold subdials, housed in an 18k gold bezel.

Condition: Good, some wear on the case and bezel
Movement: Cal 1140
Size: 39mm diameter

Posted at

Jan 12, 2026, 8:37 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega - 326.30.40.50.02.001 · $5,895

The Omega Speedmaster Racing features a striking silver white dial with bold chronograph hands and counters, paired with a stainless steel case and bracelet for a timeless design with modern presence.

Condition: Excellent
Case material: stainless steel
Bracelet type: bracelet
Movement type: chronograph movement

Posted at

Jan 12, 2026, 6:52 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch Professional 310.30.42.50.01.002 "Sapphire Sandwich."

Omega - 310.30.42.50.01.002 · $5,450

The Omega Speedmaster Moonwatch Professional, also known as the 'Sapphire Sandwich', is a modern iteration of the timepiece that went to the moon. It features a sapphire crystal front and caseback, redesigned bracelet, and Co-Axial Master Chronometer movement.

Condition: Excellent
Case material: Sapphire crystal front and caseback
Bracelet condition: Excellent
Movement: Co-Axial Master Chronometer

Posted at

Jan 12, 2026, 4:55 PM

Active

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LNIB 3 Month Old Omega Speedmaster Pro Sapphire

Omega - Speedmaster Pro Sapphire Sandwhich · $7,300

This listing is for a new Omega Speedmaster Pro Sapphire Sandwhich watch. It has been worn for only three months and shows no signs of wear or scratches, with all original packaging and accessories included.

Condition: New condition, lightly used for 3 months
Age: 3 months old
Size: Assuming standard watch size (no specific details given)

Posted at

Jan 12, 2026, 4:05 PM

Active

View listing on r/WatchExchange