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.
Buy Now on Jomashop
This is an affiliate link
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] 2025 Omega Speedmaster Professional "Sapphire Sandwich" 310.30.42.50.01.002](https://preview.redd.it/4wfmqu8ubkzg1.jpg?width=640&crop=smart&auto=webp&s=bdb34959383541c4f40b7c6ae7b6055f02720f94)
2025 Omega Speedmaster Professional "Sapphire Sandwich" 310.30.42.50.01.002
A lightly worn Omega Speedmaster Professional with a Calibre 3861 movement, sapphire crystals, and an aluminum tachymeter bezel.
- Condition: lightly worn; excellent shape
- Movement: Calibre 3861
- Caseback: factory sealed, no modifications made
- Bracelet: OEM steel bracelet, fully linked and comfortable to wear
![[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )](https://preview.redd.it/h4qqtqd5rjzg1.jpg?width=640&crop=smart&auto=webp&s=3ca7cef4def41ba7d75b050f7497e3543925232e)
Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )
This is an Omega Speedmaster Moonwatch Professional Sapphire with a 42mm stainless steel case and 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement: 3861 Omega Master Chronometer Movement
![[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )](https://preview.redd.it/53yxcnmlpjzg1.jpg?width=640&crop=smart&auto=webp&s=b8f5d6d031c511a4367a36c6e5302e3353af1816)
Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )
This Omega Speedmaster Moonwatch Professional is a brand new watch with all original packaging and papers, featuring a stainless steel case and 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement type: Master Chronometer
![[WTS] Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)](https://preview.redd.it/vucbwctxcfzg1.jpg?width=640&crop=smart&auto=webp&s=b208fdfa8bfef910ee8d04308a6c9b8f27f87b57)
Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)
The Omega Speedmaster Milano Cortina 2026 features a varnished white dial with a frosted blue pattern, a stamped Olympic medallion caseback and is part of the full set with boxes, warranty card and other accessories.
- Condition: Like New
- Case size: 38mm diameter
- Thickness: 14.75mm
- Lug to lug length: 44.96mm
![[WTS] - 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800](https://preview.redd.it/tj2u90cf6fzg1.jpg?width=640&crop=smart&auto=webp&s=5c124939ee3c6833a9c01384fc54f876e35f22aa)
- 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800
This 1985 Omega Speedmaster Professional features a 42mm stainless steel case with a matte black tritium dial and black aluminum bezel insert. The watch has developed a beautiful patina over time, and the lume has aged to a cappuccino-like hue.
- Condition: Excellent, unpolished condition with light wear for its age
- Case size: 42mm
- Bracelet length: Up to 19.5 cm / 7.67"
- Crystal material: Hesalite
![[WTS] Omega Speedmaster 3590.50 Serviced with Extra Omega Straps](https://preview.redd.it/ydef4mmb6fzg1.jpg?width=640&crop=smart&auto=webp&s=3e7cf4020adcf74da0c7d87aa5509d295f87760c)
Omega Speedmaster 3590.50 Serviced with Extra Omega Straps
The Omega Speedmaster 3590.50 is a vintage classic featuring the historic caliber 861, with an original tritium dial and hands.
- Condition: Good
- Year: 1994/95
- Case width: 42mm
- Movement: 861
![[WTS] Omega / Speedmaster date / Silver Dial / 40mm / Full Set](https://preview.redd.it/ah21uh6k9dzg1.jpg?width=640&crop=smart&auto=webp&s=7c89bea37a85a62a67843133abafaedfcb5dd70e)
Omega / Speedmaster date / Silver Dial / 40mm / Full Set
This Omega Speedmaster date features a silver dial and a 40mm case, making it suitable for smaller wrists.
- Condition: Excellent
- Diameter: 40mm
- Includes: Double boxed, all three cards filled out, card holder, manual booklet
![[WTS] Omega Speedmaster Racing Blue 326.30.40.50.03.001 w Pictograms](https://preview.redd.it/jgl9zckznczg1.jpeg?auto=webp&s=14d8a922f9773e80e0df8cef608dc4f2993125ab)
Omega Speedmaster Racing Blue 326.30.40.50.03.001 w Pictograms
This Omega Speedmaster Racing watch features a clean crystal and bezel insert, along with a healthy movement.
- Condition: Preowned, with minor scratches/dings
![[WTS] Omega Speedmaster Date 3210.50 Black Dial $1,999](https://preview.redd.it/nddue5o6eczg1.jpeg?auto=webp&s=b06a7f229856e27c9ec6ceb92b6163da0238636d)
Omega Speedmaster Date 3210.50 Black Dial $1,999
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look.
- Condition: good pre-owned
- Case size: 40mm diameter
- Lug-to-lug: 45mm length
- Lug width: 19mm width