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 Professional Moonwatch ref. 145.022 circa 1978

Omega - 145.022 · $4,400

A circa 1978 Omega Speedmaster Professional Moonwatch ref. 145.022, featuring a Lemania based caliber 861 movement, in a classic 42mm case.

Condition: Used, with wear and signs of polish
Movement: Lemania based caliber 861
Case size: 42mm diameter
Lug width: 20mm

Posted at

Mar 14, 2026, 8:50 PM

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Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

Omega - Speedmaster Professional Moonwatch · $6,500

Box: yes, with box and papers
Warranty: still under warranty
Dial: white dial

Posted at

Mar 14, 2026, 5:18 PM

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Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather

Omega - 3861 · $6,490

A Omega Speedmaster Moonwatch Sapphire Sandwich sold as a full kit with both leather and bracelet included.

Condition: Great condition, with some marks on the back of the lugs from strap changes
Warranty: Joma shop warranty until Jan 2028
Strap: Omega leather strap
Bracelet Links: All links included

Posted at

Mar 14, 2026, 4:34 PM

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Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set

Omega - 311.30.42.30.01.006 · $5,150

Up for sale is an Omega Speedmaster Moonwatch Professional - 42mm - Big Box - Full Set Watch functions perfectly mechanically, without issue.

Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
Case size: 42mm
Bracelet condition: minor hairlines

Posted at

Mar 14, 2026, 12:02 PM

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[US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega - 311.93.44.51.99.001 · $7,575

A Omega Speedmaster Grey Side Of The Moon, featuring a grey dial and 44mm size.

Condition: great condition, small chip on edge of case back
Case Size: 44mm diameter

Posted at

Mar 14, 2026, 11:34 AM

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Omega Speedmaster Professional 3861 Link - $50

Omega - Speedmaster Professional 3861 Link · $50

Sealed and unopened OEM genuine Omega Speedmaster 3861 Professional replacement link, pin, and collar set received directly from an Omega Boutique.

Origin: directly from Omega Boutique
Shipping: free to CONUS with PayPal Friends+Family

Posted at

Mar 14, 2026, 9:21 AM

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2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered

Omega - 310.32.42.50.04.002 · $8,000

A 2026 Omega Speedmaster Moonwatch Professional featuring a white dial, classic case, and black bezel, powered by the Master Chronometer Caliber 3861 manual-wind chronograph movement.

Condition: Brand new / partially stickered with small nick near lower right lug
Case size: 42mm
Movement: Omega Caliber 3861, Master Chronometer
Crystal: Sapphire

Posted at

Mar 13, 2026, 10:42 PM

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OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm masterpiece crafted from black ceramic, commemorating the 50th anniversary of the Apollo 8 mission.

Condition: UNWORN
Case material: black ceramic
Diameter: 44.25mm
Movement: Calibre 1869

Posted at

Mar 13, 2026, 8:27 PM

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OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥

OMEGA - 311.30.40.30.01.001 · $16,000

A faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk, featuring a stainless steel timepiece with a black ceramic bezel and column-wheel chronograph movement.

Condition: UNWORN
Movement: Calibre 321
Diameter: 39.7mm
Case material: stainless steel

Posted at

Mar 13, 2026, 8:17 PM

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