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 Chrono Blue Dial 43mm - 329.30.43.51.03.001 Full Set - Like New Condition - Houston, TX ๐Ÿ”ฅ๐Ÿ’ฐ6,297๐Ÿ’ฐ๐Ÿ”ฅ + ๐Ÿท๏ธ

Omega Speedmaster Chrono Blue Dial 43mm - 329.30.43.51.03.001 Full Set - Like New Condition - Houston, TX ๐Ÿ”ฅ๐Ÿ’ฐ6,297๐Ÿ’ฐ๐Ÿ”ฅ + ๐Ÿท๏ธ

Omega - 329.30.43.51.03.001 ยท $6,297
The Omega Speedmaster Chronoscope is a stylish and functional wristwatch designed for unisex adults, featuring a blue dial with spiral pattern and Arabic numerals, housed in a stainless steel case.

  • Condition: Like new condition, both mechanically and cosmetically.
  • Case size: 43mm
  • Movement type: Mechanical manual
  • Water resistance: 50m
Posted at
May 4, 2026, 6:35 PM
Active
[WTS] Omega Speedmaster OEM Rubber Strap & Deployant Clasp

Omega Speedmaster OEM Rubber Strap & Deployant Clasp

Omega - Speedmaster ยท $500
Up for sale is an Omega Speedmaster's OEM rubber strap and its clasp, in excellent condition. The deployant clasp was not used due to personal preference.

  • Material: rubber
  • Clasp type: deployant
Posted at
May 4, 2026, 3:20 PM
Active
[WTS] Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

A complete Omega Speedmaster Reverse Panda set, featuring a 39mm case on an OEM bracelet designed for wrists up to 7 inches in circumference.

  • Condition: 7.75/10 with wear around bezel and some flea bites on crystal
  • Bracelet size: 39mm diameter can fit ~7inch wrist with 20 links
  • Box condition: complete
Posted at
May 4, 2026, 2:57 PM
Active
[WTS] Omega Speedmaster Date 3513.50 โ€“ 39mm Automatic Chronograph โ€“ Black Dial โ€“ Full Set Serviced Price : 2350$

Omega Speedmaster Date 3513.50 โ€“ 39mm Automatic Chronograph โ€“ Black Dial โ€“ Full Set Serviced Price : 2350$

Omega - 3513.50 ยท $2,350
This classic Omega Speedmaster Date ref. 3513.50 is a 39mm automatic chronograph with a black dial, part of the less-highly-regarded Speedmaster line. It's perfect for everyday wear with its iconic Speedy DNA.

  • Condition: Very good used condition, minor scratches on case and strap
  • Case size: 39mm diameter
  • Thickness: ~14mm
  • Lug width: 18mm
Posted at
May 4, 2026, 1:18 PM
Active
[WTS] Omega Speedmaster Date 3211.31.00 โ€” 40mm Panda Dial โ€” Cal. 1164 (Fresh Service) โ€” $2,399 Shipped (Tariff Covered)

Omega Speedmaster Date 3211.31.00 โ€” 40mm Panda Dial โ€” Cal. 1164 (Fresh Service) โ€” $2,399 Shipped (Tariff Covered)

Omega - 3211.31.00 ยท $2,399
This Omega Speedmaster Date features a clean silver panda dial with black subdials and red accents, powered by Cal. 1164 with chronograph functions that operate as they should.

  • Condition: Pre-owned with honest wear
  • Case size: 40mm diameter
  • Lug-to-lug length: 46mm
  • Thickness: 15mm
Posted at
May 4, 2026, 1:13 PM
Active
[WTS] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega - 329.30.44.51.01.001 ยท $5,695
A pre-owned Omega Speedmaster Racing Chronograph in good condition, featuring a 44.25mm size and coming with its original box, papers, and stainless steel bracelet.

  • Condition: pre-owned with minor wear
  • Size: 44.25mm
  • Bracelet material: stainless steel
  • Payment methods: Zelle, bank wire, or PayPal F&F
Posted at
May 4, 2026, 1:11 PM
Active
[WTS] Omega Speedmaster Broad Arrow Ref. 321.10.44.50.01.001

Omega Speedmaster Broad Arrow Ref. 321.10.44.50.01.001

Omega - 321.10.44.50.01.001 ยท $3,600
This Omega Speedmaster Broad Arrow features a 44mm stainless steel case, automatic Co-Axial Caliber 3313 movement, and a textured black dial.

  • Condition: Great condition overall, sapphire crystal clean, textured black dial pristine, stainless steel case shows light wear, automatic movement running good
  • Case Size: 44mm diameter
  • Movement: Automatic Co-Axial Caliber 3313
  • Bracelet Length: fits a 7.5in wrist
Posted at
May 4, 2026, 12:58 PM
Active
[WTS] Omega Speedmaster 145.022-69 Excellent Condition $4,499

Omega Speedmaster 145.022-69 Excellent Condition $4,499

Omega - 145.022-69 ยท $4,499
This is a vintage Omega Speedmaster Professional Moonwatch in excellent condition, featuring a 'stepped' dial and the Caliber 861 movement.

  • Condition: Excellent Condition
  • Case Size: 42mm diameter
  • Case Thickness: 14mm
  • Lug To Lug: 48mm
Posted at
May 4, 2026, 12:55 PM
Active
[WTS] Omega Speedmaster 39mm Automatic 3513.82.00 Blue Dial โ€” Cal. 1152 (Serviced) โ€” $2,100 Shipped (Tariff Covered)

Omega Speedmaster 39mm Automatic 3513.82.00 Blue Dial โ€” Cal. 1152 (Serviced) โ€” $2,100 Shipped (Tariff Covered)

Omega - 3513.82.00 ยท $2,100
This Omega Speedmaster is a 39mm automatic watch featuring a Cal. 1152 movement and a blue dial.

  • Movement: Cal. 1152
  • Size: 39mm diameter
Posted at
May 4, 2026, 11:48 AM
Active