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

2015 Omega Speedmaster Moonwatch 44.25mm 311.30.44.51.01.002 Black Dial - $5,000

Omega - 311.30.44.51.01.002 · $5,000

The watch being listed is a 2015 Omega Speedmaster Moonwatch with a 44.25mm black dial, featuring a stainless steel bracelet and leather strap.

Condition: Excellent overall condition
Bracelet condition: Stainless steel bracelet basically brand new, still has factory sticker on clasp
Included accessories: Original Omega Double boxed,Box and Papers - Yes,International Warranty card dated 2015,Pictograms Card with Leather Card holder,Operating Instructions booklet,Omega Hang Tag
Wrist size: 8.25inch

Posted at

Jan 15, 2026, 5:57 PM

Active

View listing on r/WatchExchange

Omega Speedmaster 3511.50 Reverse Panda JAPAN EDITION

Omega - 3511.50 · $2,150

For sale is an Omega Speedmaster 3511.50 Reverse Panda JAPAN EDITION in great condition, with a clean crystal and running properly.

Condition: great condition
Payment Methods Accepted: pretty much every payment method including crypto
Local Meeting Available: yes
Payment Method Not Accepted: PayPal

Posted at

Jan 15, 2026, 5:39 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Moonwatch 3573.50

Omega - 3573.50 · $4,550

This Omega Speedmaster Professional Moonwatch is in excellent condition with hardly any signs of wear.

Condition: Excellent condition, hardly any signs of wear
Payment Methods Accepted: Pretty much every payment method including crypto with a small fee
No Paypal Accepted: true
Other Payments: cash, credit cards, etc.

Posted at

Jan 15, 2026, 5:32 PM

Active

View listing on r/WatchExchange

Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $10,995

This Omega Speedmaster 'Ed White' features a stunning brown tropical dial and is one of the most collectible variants among Speedmaster enthusiasts, having been worn by astronauts during NASA's Gemini missions. The movement has been professionally serviced in July 2025, ensuring accurate timekeeping with chronograph functions performing as intended.

Condition: Very good condition
Size: 39mm diameter
Year: 1965
Movement serviced: July 2023

Posted at

Jan 15, 2026, 5:27 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!

Omega - 175.0033 · $2,795

This Omega Speedmaster Reduced features a white dial and is available for sale as watch only on a high-quality leather strap.

Condition: great vintage condition, light hairlines on bezel and case
Case size: 39mm
Strap material: leather AM strap from Casanova

Posted at

Jan 15, 2026, 12:33 PM

Active

View listing on r/WatchExchange

2021 Omega Speedmaster Professional Moonwatch Sapphire Sandwich $5,999

Omega - 310.30.42.50.01.002 · $5,999

The Omega Speedmaster Moonwatch Professional sapphire sandwich version features a robust and elegant 42mm stainless steel case, updated Caliber 3861 movement, and superior magnetic resistance.

Condition: Excellent time keeping with no significant gain or loss
Case size: 42mm diameter
Case thickness: 13.2mm
Lug width: 20mm

Posted at

Jan 15, 2026, 12:27 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Full Kit with Extras (reposted and reduced)

Omega - 3861 · $5,600

an Omega Speedmaster Professional Moonwatch with Cal. 3861 movement and Hesalite crystal, purchased from an Authorized Dealer.

Condition: Daily wear, shows normal wear/use
Movement: Cal. 3861 (Master Chronometer)
Bracelet type: Current bracelet with tool-less sliding clasp adjustment

Posted at

Jan 15, 2026, 10:55 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced 3523.80.00 – Blue Dial – Full Set + Serialized Tag – Mint – $3,500

Omega - 3523.80.00 · $3,500

This Omega Speedmaster Reduced features a unique blue dial, classic proportions and wearability, making it an excellent alternative for collectors who want something rarer than the standard black-dial Reduced.

Condition: Mint
Movement: Automatic chronograph
Case size: 39mm diameter
Dial color: Blue

Posted at

Jan 15, 2026, 10:34 AM

Active

View listing on r/WatchExchange