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 Speedmaster Moonphase Blue Dial 44.25mm Full Set

Omega Speedmaster Moonphase Blue Dial 44.25mm Full Set

  • Case size: 44.25mm
  • Dial color: Blue
Posted at
Jan 5, 2026, 9:27 AM
Active
[WTS][US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,150
This Omega Speedmaster Broad Arrow features a white dial, 42mm case and is in full set, including box, manuals and triple cards.

  • Condition: Fantastic condition with only minor, if any, hairlines on bracelet, case, and clasp.
  • Case Size: 42mm
  • Diameter: 42mm
Posted at
Jan 5, 2026, 8:06 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🍫

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🍫

Omega - 145.022-69 · $14,995
A 1969 Omega Speedmaster Moonwatch with a tropical brown dial featuring heavy yellow patina across all indices and matching hands, along with an original blue bezel and correct flat case back.

  • Condition: Very rare and fully original, beautiful condition with heavy patina on dial.
  • Case size: 42mm
  • Year: 1969
  • Movement serviced: November 2025
Posted at
Jan 5, 2026, 6:34 AM
Active
[WTS] 2025 White Omega Speedmaster Moonwatch Professional

2025 White Omega Speedmaster Moonwatch Professional

The watch is described as being in like new condition with very minor micro scratches on the clasp, and comes with a full kit including inner box, outer box, manuals, warranty papers, card holder, and full links.

  • Condition: Like new with minor micro scratches on the clasp
  • Location Purchased: Japan
  • Located In: Dallas, TX
Posted at
Jan 4, 2026, 9:16 PM
Active
[WTS] 2025 Omega Speedmaster Hesalite 3861 310.30.42.50.01.001

2025 Omega Speedmaster Hesalite 3861 310.30.42.50.01.001

2025 Omega Speedmaster Hesalite with a manual-wind Calibre 3861 movement, size: 42mm diameter, hesalite crystal and stainless steel case.

  • Condition: Excellent condition overall
  • Size: 42mm diameter
  • Case material: stainless steel
  • Dial color: black
Posted at
Jan 4, 2026, 8:55 PM
Active
[WTS] Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

The Omega Speedmaster Racing features a striking silver white dial, bold chronograph hands, and a solid stainless steel case with a modern presence. It comes complete with various accessories and offers precise performance.

  • Condition: Excellent
  • Dial color: silver white
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
Jan 4, 2026, 6:48 PM
Active
[WTS] Omega. Speedmaster Moonwatch. Anniversary Series Apollo XV. $5350 Only - Steal!

Omega. Speedmaster Moonwatch. Anniversary Series Apollo XV. $5350 Only - Steal!

This Omega Speedmaster Moonwatch Anniversary Series Apollo XV is a unique stand-out from the rest, featuring concentric rings of red, white, and blue on its seconds track.

  • Condition: Good condition (7.5/10)
  • Case Size: 42mm
  • Dial Color: Black with Blue and Red Accents
Posted at
Jan 4, 2026, 2:30 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, in excellent condition.

  • Condition: Mint, like-new
  • Material: Full-ceramic case and buckle
Posted at
Jan 4, 2026, 12:48 PM
Active