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

Reference 3872.50.31

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 Blue Side of the Moon Aventurine Moonphase - Full Set + Aaron Bespoke Strap, Mint!

Omega Speedmaster Blue Side of the Moon Aventurine Moonphase - Full Set + Aaron Bespoke Strap, Mint!

Omega - 304.93.44.52.03.002 · $10,500
This Omega Speedmaster Blue Side of the Moon Aventurine Moonphase features a blue ceramic case, aventurine dial, rose gold hands and indices, tachymeter scale, moonphase display, and an Omega 9904 caliber with METAS certification.

  • Condition: Mint
  • Case size: 44.25mm
  • Lug to lug: just under 50mm
  • Strap material: python leather
Posted at
Jan 22, 2026, 6:57 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch 3573.50

Omega Speedmaster Professional Moonwatch 3573.50

Omega - 3573.50 · $4,450
This Omega Speedmaster Professional Moonwatch is in excellent condition with hardly any signs of wear and all functions working as expected.

  • Condition: Excellent
  • Payment Methods Accepted: crypto, other payment methods
  • Available To Trade For: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Jan 22, 2026, 3:16 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🍫

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🍫

Omega - 145.022-69 · $14,995
This is a rare Omega Speedmaster Moonwatch from 1969, featuring a super tropical brown dial and a blue bezel with dot-over-90. The watch has been professionally serviced and runs properly.

  • Size: 42mm
  • Year: 1969
  • Box: true
Posted at
Jan 22, 2026, 10:54 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425
This Omega Speedmaster Moonwatch presents beautifully in full steel, showcasing a strong and sharp case with thick lugs that retain their original shape. The original step dial displays a warm yellow patina across the hour markers and matching hands, creating a cohesive vintage appeal.

  • Condition: Serviced, excellent definition
  • Year: 1969
  • Size: 42mm diameter
  • Movement: 861 caliber
Posted at
Jan 22, 2026, 10:19 AM
Active
[WTS] Omega Speedmaster 3861 Sapphire Sandwhich

Omega Speedmaster 3861 Sapphire Sandwhich

Omega - 3861 · $6,100
This is a 2022 Omega Speedmaster 3861 on warranty card, sized for a 7-inch wrist. It comes with additional accessories and has shown signs of strap change wear.

  • Condition: Good
  • Warranty: Yes, on warranty card
  • Size adjustments: [object Object]
  • Accessories: New quick adjust clasp,Old clasp with micro adjustment tool,Uncle Seiko 1.5 link for dialing in fit
Posted at
Jan 22, 2026, 8:52 AM
Active
[WTS] 2023 Omega Speedmaster Calibre 321 “Ed White” 311.30.40.30.01.001 — Excellent Condition, Box & Papers

2023 Omega Speedmaster Calibre 321 “Ed White” 311.30.40.30.01.001 — Excellent Condition, Box & Papers

2023 Omega Speedmaster Calibre 321 'Ed White' in excellent condition, including box and papers.

  • Condition: Excellent Condition
Posted at
Jan 22, 2026, 8:22 AM
Active
[WTS] Omega Speedmaster Legend Schumacher edition ref 3506.61 MINT (box + warranty/picto/chronometer cards)

Omega Speedmaster Legend Schumacher edition ref 3506.61 MINT (box + warranty/picto/chronometer cards)

Omega - 3506.61 · $4,400
This Omega Speedmaster Legend Schumacher edition features a red dial, special collection engraved case back and is in mint condition with all original accessories.

  • Condition: Mint (unworn)
  • Bracelet size: full links
  • Case back: special collection engraved
Posted at
Jan 21, 2026, 11:10 PM
Active
[WTS] Omega Speedmaster Day-Date Reduced ref 3222.80 MINT (box + warranty card)

Omega Speedmaster Day-Date Reduced ref 3222.80 MINT (box + warranty card)

Omega - 3222.80 · $3,400
This Omega Speedmaster Day-Date is a stunning example of the reduced model, featuring day, date, month, chronograph, and 24-hour indicators with a vibrant blue dial and stainless steel bracelet. The watch includes original box, warranty card, and operating manual.

  • Condition: Mint (unworn)
  • Day-date: includes day, date, month, chronograph, and 24-hour indicators
  • Box: included in sale
  • Warranty-card: included in sale
Posted at
Jan 21, 2026, 9:18 PM
Active