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 “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)](https://preview.redd.it/4j1mey6a1uag1.jpg?width=640&crop=smart&auto=webp&s=72bb66fb03c4b968505bd4371b3a7f2ba360e670)
Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)
This Omega Speedmaster Ed White Ref. 105.003-65 is a historic variant with a stunning brown tropical dial and matching tritium hands. It's one of the most collectible Speedmasters among enthusiasts due to its unique features and significance in Omega's history.
- Condition: Very good condition, with signs of previous polish
- Size: 39mm diameter
- Year: 1965
- Movement serviced: Yes, professionally serviced in July 2023
![[WTS] Omega Speedmaster Pro Moon Watch 3570.50 W/1498/840 Bracelet (Watch Only) $3800](https://preview.redd.it/fjot2jzxvtag1.jpeg?auto=webp&s=ab7ac235cc83995fa88d955f8bd64302ece739ef)
Omega Speedmaster Pro Moon Watch 3570.50 W/1498/840 Bracelet (Watch Only) $3800
This Omega Speedmaster Pro Moon Watch is being sold in pre-owned condition, with some marks on the hesalite crystal.
- Condition: PRE-OWNED
- Case size: 42MM
- Box: NO
- Card/papers: NO
![[WTS] Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set](https://preview.redd.it/vnn414eqpsag1.jpg?width=640&crop=smart&auto=webp&s=5534bbf300c79cd8f3ebc40c9a13858961aafb05)
Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set
This is a brand new Omega Speedmaster Professional 'Sapphire Sandwich' 42mm watch, coming with a complete set including the watch itself, 11/2025 card, triple-boxed packaging, serial tag, manual, and Master Chronometer certification.
- Condition: Like New
- Case size: 42mm
- Depth rating: 30m
- Service history: Unknown
![[WTS] 2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)](https://preview.redd.it/fckv6t3nisag1.jpg?width=640&crop=smart&auto=webp&s=892793c3d1070f520a85374908689d1575d10acf)
2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)
The Omega Speedmaster Professional 'Sapphire Sandwich' Moonwatch is the latest generation with a Master Chronometer movement.
- Condition: Mint open box condition, worn twice
- Movement: Omega 3861 Master Chronometer
- Crystal: sapphire crystal front and exhibition sapphire caseback
- Case Size: 42mm diameter
![[WTS] Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet](https://preview.redd.it/30dgcxnnsrag1.jpg?width=640&crop=smart&auto=webp&s=518de674a0a1a6ec6611bca8abcb3d834cd6f24d)
Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet
Up for sale is my Omega Speedmaster Reduced ref. 3510.50, a classic automatic Speedmaster in great overall condition.
- Condition: Very good, with normal light wear consistent with use
- Case size: 39mm diameter
- Movement: Automatic chronograph
- Year: 2005
![[WTS] [EU] Omega Speedmaster Professional 145.022](https://preview.redd.it/l0za8bqt8qag1.jpg?width=640&crop=smart&auto=webp&s=57c449379d89a032b59c6a108e8812dadcec6fed)
[EU] Omega Speedmaster Professional 145.022
This Omega Speedmaster Professional is a pre-owned watch in poor condition. The hesalite crystal is badly scratched, and the case and strap are worn out. The chronograph function is not working.
- Condition: Bad
- Service history: No service history
- Chronograph buttons: Bottom button presses in, top button does not press in
- Movement untouched: Minimum 40-50 years since last opened
![[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥](https://preview.redd.it/ah9sns4x5pag1.jpg?width=640&crop=smart&auto=webp&s=a7ace6b1e1d3927887325f8ed7a83f5997fca072)
Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥
A classic 1969 Omega Speedmaster Moonwatch featuring the step dial and flat case back, presenting beautifully in full steel with a warm yellow patina and grey 'ghost' bezel.
- Condition: Serviced, lightly polished case with original step dial and tritium lume
- Size: 42mm
- Year: 1969
- Movement serviced: true
![[WTS] Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers](https://preview.redd.it/ganctj2pdoag1.jpg?width=640&crop=smart&auto=webp&s=25feb16dba9bd67655bc025c2993a929cc216fd4)
Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers
2022 Omega Speedmaster Racing "Blue Dial" 40mm watch with slight wear on the bracelet, sold in its original 2022 box and papers.
- Condition: Excellent Pre-Owned Condition
- Bracelet links: 12 full links, couple half links
- Amp hours: 350
![[WTS] OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda](https://preview.redd.it/r6tgwi5ksmag1.jpg?width=640&crop=smart&auto=webp&s=3a20587d97807e7e13673dd6602c27f9d74dbbed)
OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda
A pre-owned OMEGA Co-Axial Speedmaster Racing watch in good condition, featuring a reverse panda dial. It comes with original authentication cards and an aftermarket box.
- Condition: Pre-Owned, typical desk diving marks, scuffs on the clasp
- Water Resistance: 30m
- Strap Type: Leather, Hirsch
- Buckle Type: Authentic 18mm OMEGA