Omega Speedmaster Speedmaster Professional Moonwatch Plexi / See-Through / Leather

Reference 3872.50.31

Omega Speedmaster Professional Moonwatch Plexi / See-Through / Leather

About this watch

The Omega Speedmaster Professional Moonwatch is a legendary timepiece that embodies the perfect blend of history, craftsmanship, and style. With its rich heritage dating back to 1848, this watch has been part of humanity's most significant achievements, including the moon landing. The reference 3872.50.31 features a stunning design with a polished stainless steel case, plexi glass, and a black dial with stick and dot indexes. Powered by the Omega caliber 1863, a hand-wound movement renowned for its precision and reliability, this watch is a must-have for any watch enthusiast or collector. With its luxurious leather strap, water resistance of 50 meters, and unique ability to resist shattering, the Speedmaster Professional Moonwatch is not just a timepiece but an investment that will appreciate over time. Whether you're an astronaut at heart or a casual wearer, this watch offers something special for everyone, making it a true masterpiece of horology.
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Key Features

  • Stainless steel case with polished and brushed finish
  • Plexi glass with unique ability to resist shattering
  • Black dial with stick and dot indexes
  • Omega caliber 1863 hand-wound movement with 18 jewels
  • 48-hour power reserve
  • Intuitive chronograph feature
  • Water resistance of 50 meters
  • Luxurious leather strap
  • Limited production run

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch Plexi / See-Through / Leather
Reference
3872.50.31
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 Racing Ref. 326.30.40.50.01.001 – Full Set – $3,400 Shipped CONUS (Zelle Only)

Omega Speedmaster Racing Ref. 326.30.40.50.01.001 – Full Set – $3,400 Shipped CONUS (Zelle Only)

Omega - 326.30.40.50.01.001 · $3,400
This is a well-balanced 40mm Speedmaster that wears incredibly comfortably and offers a more modern, sport-oriented take on the classic Speedmaster design.

  • Condition: Very good overall condition, some light signs of wear
  • Bracelet size: adjustable, extra links included
  • Box and papers included: full set
Posted at
May 15, 2026, 9:46 AM
Active
View listing on r/WatchExchange
[WTS] 2026 Omega Speedmaster Moonwatch Hesalite 42mm 310.30.42.50.01.001 — Like New Condition, Box & Papers

2026 Omega Speedmaster Moonwatch Hesalite 42mm 310.30.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.30.42.50.01.001 · $6,100
The Omega Speedmaster Moonwatch Hesalite features a black stepped dial and a manually wound caliber 3861 movement, preserving the iconic design heritage tied to Omega’s role in space exploration.

  • Condition: Like new condition
  • Case size: 42mm diameter
  • Lug to lug: 47.5mm
  • Thickness: 13.2mm
Posted at
May 15, 2026, 9:29 AM
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[WTS] Omega Speedmaster Automatic Date Black Dial - Ref. 175.0084 / Cal. 1152

Omega Speedmaster Automatic Date Black Dial - Ref. 175.0084 / Cal. 1152

Omega - 175.0084 / Cal. 1152 · $1,700
This Omega Speedmaster is a black dial automatic date watch with reference number 175.0084 and caliber 1152, featuring a nice bracelet that fits up to a 7 inch wrist.

  • Condition: Honest worn condition, no major or moderate cosmetic defects
  • Bracelet size compatibility: up to 7 inch wrist
Posted at
May 15, 2026, 9:25 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Apollo XI 20th Anniversary (1989) - US Market ltd 1068/2000 - Full Set w/ 1450 "Grail" Bracelet - tritium patina

Omega Speedmaster Apollo XI 20th Anniversary (1989) - US Market ltd 1068/2000 - Full Set w/ 1450 "Grail" Bracelet - tritium patina

Omega - 3590.59 / ST 145.022 · $7,300
This Omega Speedmaster Professional Apollo XI 20th Anniversary Edition is a highly collectible piece of space and horological history, released in 1989 to commemorate the 20th anniversary of the 1969 lunar landing. It features a unique case-side engraving, comes as a complete collector's set, and includes the legendary 1450 bracelet.

  • Condition: Honest, vintage condition with surface wear on the case and scratches on the crystal
  • Movement: Caliber 861
  • Dimensions: 42mm case size | 20mm lug width (diameter)
  • Bracelet: Omega Ref. 1450 "Holy Grail" bracelet with 808 solid end links
Posted at
May 15, 2026, 8:49 AM
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[WTS][US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,500
This Omega Speedmaster Calibre 321 features a black dial and is housed in a 39.7mm case.

  • Condition: Pristine with minor hairlines on clasp, case, and bracelet
  • Case size: 39.7mm diameter
  • Straps included: NATO strap and velcro strap
Posted at
May 15, 2026, 7:28 AM
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[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $7,900
This Omega Speedmaster Moonwatch Professional features a white dial and is fully set, including box, historical booklet, user manual, microfiber cloth, master chronometer card, and warranty card.

  • Condition: pristine condition with minor hairlines on clasp, case, and bracelet
Posted at
May 15, 2026, 7:23 AM
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[WTS] Omega Speedmaster Professional (310.30.42.50.01.002)

Omega Speedmaster Professional (310.30.42.50.01.002)

Omega - 310.30.42.50.01.002 · $6,800
This Omega Speedmaster Professional features a black dial, sapphire crystal on a steel bracelet and is the newest reference with a manual caliber 3861 movement.

  • Condition: Excellent condition with a few light marks
  • Case Size: 42mm
  • Case Material: Stainless Steel
  • Bracelet Material: Stainless Steel
Posted at
May 15, 2026, 6:14 AM
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[WTS] Omega Speedmaster Date 3211.30 40mm - $1,990

Omega Speedmaster Date 3211.30 40mm - $1,990

Omega - 32113000 · $1,990
Up for sale is my Omega Speedmaster Date 3211.30 in great condition. This watch measures at 40mm with an automatic Omega Calibre 1164 movement.

  • Condition: Very good condition for its age
  • Case size: 40mm
  • Bracelet length: up to 7-7.25 inches
  • Shipping time: 3-5 days globally
Posted at
May 14, 2026, 9:46 PM
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[WTS] OMEGA Speedmaster Professional Moonwatch 3861 Sapphire Sandwich - Latest Model - Watch Only on Forstner Bullet + Spiralwinder DON Ceramic Lumed Bezel (OEM bezel included) - $5300 shipped CONUS

OMEGA Speedmaster Professional Moonwatch 3861 Sapphire Sandwich - Latest Model - Watch Only on Forstner Bullet + Spiralwinder DON Ceramic Lumed Bezel (OEM bezel included) - $5300 shipped CONUS

Omega - 3861 · $5,300
This is a latest model Omega Speedmaster Professional Moonwatch with an upgraded Forstner Bullet bracelet and a fully lumed ceramic Dot Over 90 bezel.

  • Condition: very good
  • Bracelet: Forstner Bullet
  • Bezel: fully lumed ceramic Dot Over 90 bezel
  • Original bezel included: yes
Posted at
May 14, 2026, 8:44 PM
Active
View listing on r/WatchExchange