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] Genuine Omega Leather Strap, Speedmaster

Genuine Omega Leather Strap, Speedmaster

Omega - Speedmaster · $375
Up for sale is a genuine leather Omega Speedmaster band with a stainless steel deployant clasp, characterized by its light and comfortable design.

  • Condition: Genuine leather strap with slight wear
  • Width: 20mm
  • Clasp material: stainless steel
  • Shipping options: US shipping via FedEx or UPS
Posted at
May 7, 2026, 5:52 PM
Active
[wts] 2024 Omega Speedmaster Moonphase
304.33.44.52.03.001 $7299

2024 Omega Speedmaster Moonphase 304.33.44.52.03.001 $7299

This listing features a 2024 Omega Speedmaster Moonphase with two photo-realistic moons, one of OMEGA's most iconic timepieces.

  • Condition: Pre Owned, Cosmetic Condition: 9/10
  • Case Size: 44mm diameter
  • Movement: 9904
  • Power Reserve: 60 Hours
Posted at
May 7, 2026, 4:44 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, excellent, OEM 1469/811

Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, excellent, OEM 1469/811

Omega - 3510.50 · $575
A vintage Omega Speedmaster Reduced bracelet set with 22 links, made of stainless steel and featuring an original Omega folding clasp.

  • Condition: Excellent (94/100)
  • Material: Stainless steel
  • Metal finish: Original Omega finish
  • Clasp type: Omega folding clasp
Posted at
May 7, 2026, 3:47 PM
Active
[WTS] BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,790

BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,790

The Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case with a hesalite front and solid case back powered by the updated caliber 3861 movement.

  • Condition: Brand new in box with warranty
  • Case size: 42mm diameter
  • Case thickness: 13.2mm
  • Lug width: 20mm
Posted at
May 7, 2026, 2:49 PM
Active
[WTS] Omega Speedmaster Racing 44.25mm White Dial 329.33.44.51.04.001 Co-Axial Master Chronometer. Full Set $6,955

Omega Speedmaster Racing 44.25mm White Dial 329.33.44.51.04.001 Co-Axial Master Chronometer. Full Set $6,955

This Omega Speedmaster Racing Master Chronometer features a white 'racing dial' with black sub-dials, powered by the Caliber 9900 Co-Axial Master Chronometer movement.

  • Condition: Pre-owned, excellent condition
  • Case size: 44.25mm
  • Water resistance: 50m
  • Movement: Automatic Caliber 9900 (Master Chronometer certified)
Posted at
May 7, 2026, 2:40 PM
Active
[WTS] (OEM) Omega Speedmaster 20 mm Flat Link Bracelet

(OEM) Omega Speedmaster 20 mm Flat Link Bracelet

This is an OEM Omega Speedmaster bracelet with a flat link design, suitable for various Speedmaster models. It features a stainless steel construction and a vintage-style foldover clasp.

  • Condition: Great, lightly used
  • Lug width: 20mm
  • Taper: 20mm to 15mm
  • Material: Stainless Steel
Posted at
May 7, 2026, 2:29 PM
Active
[wts] 2026 Omega Speedmaster “Reverse Panda”
310.30.42.50.01.004 $9599

2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599

A 2026 Omega Speedmaster "Reverse Panda" with a 42mm steel case and black dial.

  • Condition: Preowned, Cosmetic Condition: 9.9/10, Fully Functional
  • Warranty card date: February 2026
  • Case size: 42mm diameter
  • Movement: 3861 caliber
Posted at
May 7, 2026, 1:58 PM
Active
[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Up for sale is a Omega Speedmaster Moonphase Black, a 2020 model featuring a moon phase display.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 7, 2026, 1:45 PM
Active
[WTS] Omega Speedmaster Reduced Strap - 18mm

Omega Speedmaster Reduced Strap - 18mm

  • Strap width: 18mm
Posted at
May 7, 2026, 11:22 AM
Active