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

Current Listings

Omega Speedmaster Moon Watch • 20th Anniversary Apollo XI - Ref ST 145.0022.101 (ALL ORIGINAL / COMPLETE SET)

Omega - ST 145.0022.101 · $8,450

A 42MM Omega Speedmaster Moon Watch 20th Anniversary Apollo XI from 1989 with a beautiful patina and original bracelet. The calibre 861 is running well within COSC specs.

Condition: Excellent, unpolished
Bracelet length: 145mm
Case size: 42mm diameter
Movement type: Calibre 861

Posted at

Jan 30, 2026, 6:56 PM

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Omega Speedmaster. Triple Date. 39mm. Automatic...

Omega - Speedmaster Triple Date · $1,795

This Omega Speedmaster is a 39mm automatic chronograph with triple date functionality.

Case size: 39mm
Movement type: Automatic

Posted at

Jan 30, 2026, 6:01 PM

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Omega Speedmaster. MK40. Triple Date. 🔥

Omega - MK40 · $2,750

A 39mm Omega Speedmaster with automatic movement and triple date functionality, available for sale in New Jersey.

Case size: 39mm diameter
Movement type: Automatic

Posted at

Jan 30, 2026, 5:37 PM

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PRICE DROP 2023 Omega Speedmaster Moonphase Sedna Gold

Omega - 304.23.44.52.13.001 · $9,348

2023 Omega Speedmaster Moonphase Sedna Gold features a 44.25mm 18k Sedna gold case with a brown sun-brushed dial and precision moonphase display at 6 o'clock.

Condition: Excellent, with light signs of wear
Case size: 44.25mm
Case material: 18k Sedna Gold
Dial color: Brown sun-brushed

Posted at

Jan 30, 2026, 4:42 PM

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2025 Omega Speedmaster Professional Moonwatch Sapphire Sandwich $6,499

Omega - 310.30.42.50.01.002 · $6,499

The Omega Speedmaster Professional Moonwatch Sapphire Sandwich features a 42mm stainless steel case with a sapphire front and display case back, showcasing the updated Caliber 3861 movement. It offers enhanced durability, accuracy, and visibility of the beautifully finished movement.

Condition: Excellent condition - no dings, dents or scratches
Movement: Hand wound Cal 3861
Power reserve: 50 hours
Case size: 42mm diameter

Posted at

Jan 30, 2026, 12:36 PM

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Omega Speedmaster Moonwatch Professional 42mm White Dial 310.30.42.50.04.001 Complete

Omega - 310.30.42.50.04.001 · $7,650

This Omega Speedmaster Moonwatch Professional features a white dial and is in very good condition with minimal handling marks.

Condition: In very good condition, rated at 9.7/10
Case Diameter: 42mm
Included Accessories: Inner & outer boxes, manual, booklet, Pictogram card, Master Chronometer card, removed links and warranty card (dated 2024)

Posted at

Jan 30, 2026, 10:57 AM

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Omega Speedmaster 38 Co-Axial Chronograph Grey Dial 324.32.38.50.06.001

Omega - 324.32.38.50.06.001 · $4,550

This Omega Speedmaster 38 Co-Axial Chronograph features a grey dial and is in excellent condition with minimal handling marks.

Condition: In very good condition, rated at 9.8/10
Box: Inner & Outer
Papers: Manual, Warranty Card (dated 2022), Pictogram Card

Posted at

Jan 30, 2026, 10:42 AM

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[WTS] Omega Speedmaster Moonwatch Sapphire Sandwich 1863 on Latest OEM Omega 3861 Bracelet with Quick Adjust Clasp + OEM Omega 3861 Moonwatch Box Set + Spiralwinder DON Ceramic Bezel - CLEAN, only $5400 shipped CONUS for everything

Omega Speedmaster Moonwatch Sapphire Sandwich 1863 on Latest OEM Omega 3861 Bracelet with Quick Adjust Clasp + OEM Omega 3861 Moonwatch Box Set + Spiralwinder DON Ceramic Bezel - CLEAN, only $5400 shipped CONUS for everything

Omega - 1863 · $5,400

This Omega Speedmaster Moonwatch Sapphire Sandwich is in fantastic condition and features a fully lumed ceramic bezel. It comes with an OEM Omega 3861 bracelet and box set.

Condition: Fantastic condition, some minor scratches on polished bits of case
Bracelet type: OEM Omega 3861
Bezel type: Fully lumed ceramic bezel, spiralwinder DON
Original bezel included: yes

Posted at

Jan 29, 2026, 7:03 PM

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