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 Professional Sapphire Sandwich $6680 2025

Omega Speedmaster Professional Sapphire Sandwich $6680 2025

This Omega Speedmaster Professional is a unique variant known as the Sapphire Sandwich.

  • Price: $6680
Posted at
Jan 18, 2026, 12:42 PM
Active
[WTS] Omega Speedmaster Professional Sapphire Sandwich 2025 $6680

Omega Speedmaster Professional Sapphire Sandwich 2025 $6680

a rare Omega Speedmaster Professional with a sapphire sandwich case and a 2025 model number.

  • Year of production: 2025
Posted at
Jan 18, 2026, 12:34 PM
Active
[WTS] Omega Speedmaster 39mm olympic 3516.20

Omega Speedmaster 39mm olympic 3516.20

Omega - 3516.20 · $2,100
This is a beautiful Omega Speedmaster limited Olympic edition, with minimal signs of wear and coming with an Omega red travel case.

  • Condition: very good condition with minimal sign of wear
  • Case size: 39mm
  • Movement accuracy: -+4/day
  • Included accessories: omega red travel case
Posted at
Jan 17, 2026, 7:29 PM
Active
[WTS] Omega Speedmaster 3861 Bracelet

Omega Speedmaster 3861 Bracelet

Omega - 3861 · $750
This Omega Speedmaster is a brand new model with additional features such as tool free microadjust and it has not been worn.

  • Condition: New, never worn
  • Links included: true
  • Clasp condition: plastic still on
  • Adjustment method: tool free microadjust
Posted at
Jan 17, 2026, 4:39 PM
Active
[WTS] Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

This Omega Speedmaster Professional Sapphire Sandwich is powered by the highly regarded caliber 1863 and features a Spiralwinder Ceramic DON tachymètre bezel. The watch has been upgraded with a new OEM 3861 bracelet installed at the Omega Boutique.

  • Condition: Excellent
  • Movement: Cal. 1863
  • Crystal: Sapphire front & back
  • Bezel: Spiralwinder Ceramic DON (Dot Over Ninety) tachymètre bezel
Posted at
Jan 17, 2026, 11:51 AM
Active
[WTS] OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA - 310.92.44.51.01.001 · $11,750
The OMEGA Speedmaster 'Dark Side of the Moon' is a modern icon that blends OMEGA's space-faring heritage with advanced materials, crafted entirely in black ceramic for exceptional scratch resistance and lightweight wearability.

  • Condition: Excellent
  • Case size: 44.25 mm
  • Set: Full set (box, papers, 5 year warranty)
  • Movement: Co-Axial Master Chronometer Calibre 9908
Posted at
Jan 17, 2026, 11:13 AM
Active

2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
Omega Speedmaster Chronograph  - Blue - Stainless Steel - 38mm - Mint

Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

  • Condition: Pre-Owned - Mint
  • Case size: 38mm diameter
  • Bracelet type: Stainless Steel
  • Dial color: Blue
Posted at
Apr 5, 2025, 6:13 PM
Active
Omega Speedmaster 321 Ed White

Omega Speedmaster 321 Ed White

This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.

  • Condition: Good condition with minor scuffs
  • Warranty: includes warranty cards
  • Links: all links included
Posted at
Apr 4, 2025, 6:34 PM
Active