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.

Buy Now on Jomashop

This is an affiliate link

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 Broad Arrow 321.10.42.50.01.001 2019 $3,999 [USA]

Omega - 321.10.42.50.01.001 · $3,999

This Omega Speedmaster Broad Arrow is from 2019 with a crisp case and running perfectly. It comes on a massive bracelet that can fit most wrists.

Condition: Incredible-condition
Dimensions: 42mm diameter
Year: 2019

Posted at

Jan 25, 2026, 7:31 PM

Active

View listing on r/WatchExchange

2007 Omega Speedmaster Date 3210.50 - $2,299

Omega - 3210.50 · $2,299

An Omega Speedmaster Date Chronograph ref. 3210.50 from 2007 in good overall condition, featuring a black dial and stainless steel bracelet.

Condition: Good overall condition, signs of wear
Case size: 40mm diameter
Serial number: 81.6M (circa 2007)
Dial color: Black

Posted at

Jan 25, 2026, 7:16 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Snoopy 50th Anniversary Ref: 310.32.42.50.02.001 BNIB

Omega - 310.32.42.50.02.001 · $12,700

This Omega Speedmaster Snoopy 50th Anniversary watch is a brand new, unworn model with a complete package and extra travel box.

Condition: Brand new, never worn (BNIB)
Case Size: 40mm diameter
Water Resistance: unknown
Warranty: valid until end of 2025

Posted at

Jan 25, 2026, 6:07 PM

Active

View listing on r/WatchExchange

Omega Speedmaster sapphire Sandwich 2021, comes as full set (-2 links) $5,999 shipped

Omega - 310.30.42.50.01.002 · $5,999

Up for sale is a Omega Speedmaster sapphire sandwich from 2021, comes as full set with original inner/outer box and papers.

Condition: Excellent
Year: 2021
Case Size: 42mm
Material: Stainless Steel

Posted at

Jan 25, 2026, 3:52 PM

Active

View listing on r/WatchExchange

Omega Speedmaster "First Omega in Space" (FOIS) 2024 ed. w/ Box & Papers

Omega - 310.30.40.50.06.001 · $7,100

This Omega Speedmaster "First Omega in Space" (FOIS) is the 2024 edition, featuring a ref. 310.30.40.50.06.001 model number.

Condition: very good
Year purchased: 2025
Box and papers included: true

Posted at

Jan 25, 2026, 2:48 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Full Kit w Extras!

Omega - 3861 Hesalite · $5,500

This Omega Speedmaster Professional Moonwatch features a Cal. 3861 Master Chronometer movement and comes with upgrades such as a sapphire display caseback, making it a true Hesalite sandwich.

Condition: Pre-owned with normal wear/use consistent with daily rotation
Caliber: Cal. 3861 (Master Chronometer)
Bracelet adjustment type: tool-less sliding clasp
Caseback material front: Hesalite

Posted at

Jan 25, 2026, 1:30 PM

Active

View listing on r/WatchExchange

Omega "Michael Schumacher" Speedmaster Limited to only 5555.

Omega - 3529.50.00 · $2,200

This limited edition Omega Speedmaster 'Michael Schumacher' chronograph features a stainless steel case, black racing dial, day/date display, tachymetre bezel, and is powered by an automatic movement. Produced in 2003, it measures 39mm in size.

Condition: neat and clean with some marks on the bezel
Case size: 39mm diameter
Bracelet size limit: 7.5 inch wrist
Water resistance: unknown

Posted at

Jan 25, 2026, 8:23 AM

Active

View listing on r/WatchExchange

2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Clean!

Omega - 329.32.44.51.01.001 · $6,295

This Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph combines the heritage of the Speedmaster line with bold orange racing accents and the modern Caliber 9900 Master Chronometer movement. It features a factory black micro-perforated leather racing strap with orange rubber lining and an Omega folding deployant clasp.

Condition: barely worn, preowned
Movement: Caliber 9900 Co-Axial Master Chronometer
Power reserve: approximately 60 hours
Strap: factory black micro-perforated leather with orange rubber lining and Omega folding deployant clasp

Posted at

Jan 24, 2026, 9:51 PM

Active

View listing on r/WatchExchange

📣🚨OMEGA Speedmaster "FOIS" 311.32.40.30.01.001 EXCELLENT CONDITION! $4500🚨📣

OMEGA - 311.32.40.30.01.001 · $4,500

This Omega Speedmaster 'First Omega in Space' is a manual wind watch with a 39.7mm case size and Caliber 1861 movement.

Condition: Excellent / like new
Case Size: 39.7mm diameter
Movement Type: Manual wind (Caliber 1861)
Condition Details: Excellent / like new (watch), shows wear on original box

Posted at

Jan 24, 2026, 9:08 PM

Active

View listing on r/WatchExchange