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

Reference 3872.50.01

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
50

Current Listings

[WTS] Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit

Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit

Omega - 117Z017553 · $220
This Omega OEM deployant clasp kit is designed for Speedmaster 3861 bracelets with or without micro-adjustment feature. It has a longer design than the stock 3861 bracelet clasp and features micro-adjustment for precise sizing.

  • Condition: Excellent - minimal wear, fully functional
  • Fitment: Omega Speedmaster bracelets
  • Material: Stainless steel
  • Feature: Micro-adjustment for precise sizing
Posted at
Oct 19, 2025, 3:48 PM
Active
[WTS] Omega Speedmaster Mother Of Pearl Dial 3834.72.35 - Original Buckle & Handmade Strap (Serviced) only for 2200$ 🚢

Omega Speedmaster Mother Of Pearl Dial 3834.72.35 - Original Buckle & Handmade Strap (Serviced) only for 2200$ 🚢

Omega - 3834.72.35 · $2,200
A stainless steel Omega Speedmaster with a 39mm case size and mother of pearl dial featuring green Arabic numerals. The watch has been recently serviced and is working perfectly fine.

  • Condition: Clean case, super clean dial and bezel
  • Case Size: 39mm diameter
  • Movement Type: Automatic
Posted at
Oct 19, 2025, 9:41 AM
Active
[WTS] Omega Speedmaster BSOM Moonphase 304.93.44.52.03.002 (2021) | Complete Box & Papers | $10,999 Shipped

Omega Speedmaster BSOM Moonphase 304.93.44.52.03.002 (2021) | Complete Box & Papers | $10,999 Shipped

Omega - 304.93.44.52.03.002 · $10,999
The Omega Speedmaster “Blue Side of the Moon” (2021) is a stunning and underrated modern Speedmaster variant, crafted entirely from blue ceramic with a rich blue dial and Sedna gold accents.

  • Condition: amazing condition overall
  • Year: 2021
  • Material: blue ceramic
  • Movement: running strong and keeps excellent time
Posted at
Oct 18, 2025, 10:41 PM
Active
[WTS] Omega Speedmaster Moonphase

Omega Speedmaster Moonphase

Omega - 3575.20 · $5,250
Up for sale is an Omega Speedmaster Moonphase ref. 3575.20, which runs great and comes with full kit and documentation.

  • Condition: excellent
  • Warranty card included: true
  • Shipping limited to conus: true
Posted at
Oct 18, 2025, 10:24 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 – Full Kit – Excellent Condition – $5,900

Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 – Full Kit – Excellent Condition – $5,900

This Omega Speedmaster Professional Moonwatch is a highly sought-after model, known for its robust design and iconic status.

  • Condition: Excellent Condition
  • Movement: Automatic movement
Posted at
Oct 18, 2025, 10:53 AM
Active
[wts] Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty

Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty

This is a Omega Speedmaster racing watch, model 9900, featuring a 44.25mm case size and a factory warranty until OCT 2024.

  • Condition: Good condition
  • Case size: 44.25mm
  • Warranty: Factory warranty until OCT 2024
Posted at
Oct 17, 2025, 9:19 PM
Active
[WTS] Pristine Omega Speedmaster Sapphire Sandwich - Full Set!

Pristine Omega Speedmaster Sapphire Sandwich - Full Set!

A timeless and instantly recognizable watch, meticulously cared for by the seller over two years.

  • Condition: Pristine
  • Worn: 10-12 times over two years
  • Crystal condition: Perfect
  • Bezel condition: Perfect
Posted at
Oct 17, 2025, 8:27 PM
Active
[WTS] Omega Speedmaster 3590.50

Omega Speedmaster 3590.50

  • Title: [WTS] Omega Speedmaster 3590.50
Posted at
Oct 17, 2025, 5:28 PM
Active
[WTS] Omega 1861 Speedmaster Bracelet and Forstner Flatlink Contemporary

Omega 1861 Speedmaster Bracelet and Forstner Flatlink Contemporary

A Omega 1861 Speedmaster, sold with a Forstner bracelet and an additional Forstner Flatlink Contemporary. The first has some wear on the clasp and links, while the second is in excellent condition.

  • Condition: Forstner bracelet (worn) - Speedmaster bracelet (excellent)
  • Shipping Cost Uk: 10
  • Shipping Cost International: 25
Posted at
Oct 17, 2025, 4:05 PM
Active