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] Vintage Omega Speedmaster Mark 40 Triple Calendar 175.0084 Watch 39MM $2500

Vintage Omega Speedmaster Mark 40 Triple Calendar 175.0084 Watch 39MM $2500

Omega - 175.0084 · $2,500
A vintage Omega Speedmaster Mark 40 Triple Calendar watch in good condition, featuring an automatic movement and all functions working.

  • Condition: Minimal signs of use
  • Case Size: 39mm
  • Movement Condition: fresh
  • Lug To Lug: 45mm
Posted at
Aug 31, 2025, 5:33 PM
Active
[WTS] Omega Speedmaster Professional “Replica” 3594.50 – Broad Arrow Reissue

Omega Speedmaster Professional “Replica” 3594.50 – Broad Arrow Reissue

Omega - 3594.50 · $8,000
The listing is about an Omega Speedmaster Professional "Replica" 3594.50 – Broad Arrow Reissue.

  • Movement: Calibre 1861
  • Bracelet: Leather strap with metal buckle
Posted at
Aug 31, 2025, 3:37 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional Hesalite Black Dial 8/21 Ref: 310.30.42.50.01.001 $4899.00

Omega Speedmaster Moonwatch Professional Hesalite Black Dial 8/21 Ref: 310.30.42.50.01.001 $4899.00

This Omega Speedmaster Moonwatch Professional features a black lacquered dial, manual winding mechanism, and 50M water resistance. It's a beautiful timepiece with a domed Hesalite crystal and closed case back.

  • Condition: Great pre-owned condition, some hairlines on case, bracelet and clasp.
  • Size: 42mm
  • Movement: 3861
  • Water Resistance: 50m
Posted at
Aug 31, 2025, 12:45 PM
Active
[WTS] Omega Speedmaster. 39mm. Automatic.  $1595 !!

Omega Speedmaster. 39mm. Automatic. $1595 !!

Omega · $1,595
A 39mm automatic Omega Speedmaster with a nice blue dial is being sold. More photos are available on the seller's dropbox links.

  • Diameter: 39mm
  • Movement: automatic
Posted at
Aug 31, 2025, 11:18 AM
Active
[WTS] Omega Speedmaster. 39mm. Panda Dial. Gorgeous patina.

Omega Speedmaster. 39mm. Panda Dial. Gorgeous patina.

Omega - Speedmaster · $1,625
A 39mm Omega Speedmaster with a panda dial, featuring gorgeous patina.

  • Diameter: 39mm
  • Movement: automatic
Posted at
Aug 31, 2025, 11:10 AM
Active
[WTS] Mint Omega Speedmaster Racing 40mm Panda Dial 326.30.40.50.01.002 $2900

Mint Omega Speedmaster Racing 40mm Panda Dial 326.30.40.50.01.002 $2900

This Omega Speedmaster Racing is a full set with box and papers, featuring a 40mm panda dial.

  • Condition: Mint with slight scratches on the clasp
  • Case Size: 40mm
  • Dial Type: Panda Dial
Posted at
Aug 31, 2025, 7:20 AM
Active