Omega Speedmaster Speedmaster Professional Moonwatch Sapphire Sandwich / Strap

Reference 3873.50.31

Omega Speedmaster Professional Moonwatch Sapphire Sandwich / Strap

About this watch

The Omega Speedmaster Professional Moonwatch Sapphire Sandwich, also known as the 3873.50.31, is a testament to the brand's rich history and commitment to precision. This luxury watch features a stunning black dial with contrasting white stick and dot indexes, giving it a classic yet modern vibe suitable for both formal and casual occasions. The round stainless-steel case strikes a perfect balance between presence and elegance, measuring 42mm in diameter. A sapphire crystal on both the front and back of the watch enhances durability and provides a stunning view of the intricate movement through the open case back. With its iconic design, reliable Omega caliber 1863 movement, and versatile wearability, this watch earns its place in any collection. Whether you're a history buff, a watch connoisseur, or someone looking to elevate your style, the Speedmaster is a worthy companion. It's not just about telling time; it's about cherishing every moment.

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MSRP: $5,400

Market Price: $3,887

Key Features

Omega caliber 1863 movement
48-hour power reserve
21,600 vibrations per hour
Chronograph function for timing events
Sapphire crystal on front and back of the watch
Water resistance up to 50 meters
Leather strap with secure buckle

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch Sapphire Sandwich / Strap

Reference

3873.50.31

Movement

1863

Movement Features

Hours, Minutes, Small Seconds
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster. Reduced. Automatic. OEM strap + Clasp.

Omega - Speedmaster · $1,999

This Omega Speedmaster is a reduced automatic watch, featuring an OEM strap and clasp.

Condition: Clean
Strap: OEM
Clasp: OEM

Posted at

Jun 23, 2025, 5:47 PM

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Omega Speedmaster Professional Moonwatch (Ref. 310.30.42.50.01.001)

Omega - 310.30.42.50.01.001 · $4,900

The Omega Speedmaster Professional Moonwatch features a Master Chronometer Caliber 3861 and is part of the modern hesalite version. It retains classic DNA with major movement upgrades and a beautifully tapered bracelet.

Condition: great, with a light scratch on the lower right lug and a faint smudge/finish mark on the left side of the case
Case diameter: 42mm
Water resistance: 50m
Crystal type: Hesalite crystal (with embossed Omega logo)

Posted at

Jun 23, 2025, 3:32 PM

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1969 Omega Speedmaster 145022 69 - Straight Writing

Omega - 145022-69 · $6,990

A 1969 Omega Speedmaster, reference 145022-69, featuring a straight writing caseback and original components. This watch is a highly coveted collector's item and a testament to human ingenuity and exploration.

Condition: Pre-owned with signs of previous wear
Case size: 42mm diameter
Bezel condition: Attractive with light marks
Dial condition: Original black dial with attractive even patina

Posted at

Jun 23, 2025, 3:20 PM

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Omega Speedmaster Apollo 8 Dark Side of the Moon Black Watch 311.92.44.30.01.001

Omega - 311.92.44.30.01.001 · $7,995.008

The Omega Speedmaster Dark Side of the Moon Apollo 8 special edition is a unique take on Omega's Dark Side archetype, commemorating the 50th anniversary of the Apollo 8 mission.

Condition: Excellent pre-owned condition
Case diameter: 44mm
Case material: Ceramic
Bezel material: Ceramic

Posted at

Jun 23, 2025, 1:57 PM

Active

View listing on WatchUseek

Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

Omega - 311.30.42.30.03.001 · $8,000

A limited edition Omega Speedmaster Apollo XVII, commemorating the 45th anniversary of the final moon landing in 1972, featuring a polished blue ceramic bezel and a stainless steel case.

Condition: Very good
Case Size: 42mm diameter
Movement: OMEGA Calibre 1861, Manual-Winding Chronograph Movement
Water Resistance: 50 meters / 167 feet depth rating

Posted at

Jun 23, 2025, 1:41 PM

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OMEGA Speedmaster Panda 40mm 3211.31.00 Box and Papers

Omega - 3211.31.00 · $2,799

The Omega Speedmaster Date/Day-Date 'Panda' is a timeless timepiece that embodies class and sophistication. Its 40mm stainless steel case and bracelet offer enduring elegance, while the crisp white dial delivers a bold yet refined presence.

Condition: Preowned, great condition
Case size: 40mm diameter
Movement type: Self-winding mechanical movement
Crystal: Sapphire crystal, clean and scratch-free

Posted at

Jun 23, 2025, 10:26 AM

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Omega Speedmaster Racing - CoAxial

Omega - 329.32.44.51.01.001 · $5,550

A barely worn Omega Speedmaster Racing coaxial master chronometer with a diameter of 44.25mm, featuring a METAS certified caliber and quick-jump hour hand.

Condition: impeccable
Diameter: 44.25mm
Bracelet condition: unblemished
Strap count: 3

Posted at

Jun 23, 2025, 9:57 AM

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omega speedmaster Michael Schumacher yellow 39mm $1700 final price drop

Omega - Speedmaster Michael Schumacher yellow 39mm · $1,700

This Omega Speedmaster Michael Schumacher is a 39mm yellow-faced watch with no box or paperwork, but comes in a leather watch holder and is professionally packaged for shipping.

Condition: Used
Case size: 39mm
Material: leather

Posted at

Jun 22, 2025, 7:21 PM

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View listing on r/WatchExchange