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 Racing 326.32.40.50.01.001 Black Slate

Omega - 326.32.40.50.01.001 · $3,000

The Omega Speedmaster Racing features a black dial with subtle slate design, suitable as a daily wearer.

Condition: In great condition with light marks
Dimensions: 40mm diameter
Year: Estimated 2017

Posted at

Jun 22, 2025, 5:12 PM

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Omega Speedmaster Moonphsae $5000 ref 3576.50.00

Omega - 3576.50.00 · $5,000

A fresh spin on the classic Omega Speedmaster Moonwatch with a manual wind movement, sapphire crystal, and open caseback.

Movement: Manual Wind Omega 1866
Case Back: Open caseback
Crystal: Sapphire crystal

Posted at

Jun 22, 2025, 4:35 PM

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Omega Speedmaster ‘57 Broad Arrow Full AD Set Discontinued Ref 331.10.42.51.01.002

Omega - 331.10.42.51.01.002 · $5,350

The Omega Speedmaster ‘57 Broad Arrow is a discontinued model that features an automatic movement and a unique design that stands out amongst modern Speedies. It has a classic black dial with oversized broad arrow hands and a date function, all under sapphire crystal.

Condition: Very good condition, with just very light wear throughout
Case size: 41.5mm diameter
Movement: Omega Master Chronometer caliber 9300, co-axial column wheel, jump hour function, 60 hour power reserve
Bracelet/strap: Original Omega stainless bracelet with polished center links and a near new Tuns leather strap

Posted at

Jun 22, 2025, 3:07 PM

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Omega Speedmaster Broad Arrow - Ref. 3594.50 - Excellent Condition

Omega - 3594.50 · $3,599

A later variant of the Omega Speedmaster '57 Broad Arrow with a 1998/840 bracelet and hesalite crystal, in excellent condition with zero signs of wear.

Condition: Excellent
Bracelet Size: 7.5 inch
Bracelet Type: 1998/840
Crystal Type: Hesalite

Posted at

Jun 22, 2025, 2:46 PM

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Mint Omega Speedmaster White Dial 2024 310.30.42.50.04.001 Sapphire $6,950 Full set

Omega - 310.30.42.50.04.001 · $6,950

The Omega Speedmaster White Dial is a high-end watch with a white dial and reference number 310.30.42.50.04.001. It comes with a full set, including warranty card and box.

Condition: Like new condition with little to no signs of use
Material: Sapphire crystal
Shipping origin: Singapore

Posted at

Jun 22, 2025, 1:40 PM

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Omega Speedmaster Moonwatch Professional 310.30.42.50.01.001 Full Set

Omega - 310.30.42.50.01.001 · $5,300

The Omega Speedmaster Moonwatch professional features a matte black dial, brushed 42mm case, and a five-link bracelet.

Condition: Mint condition
Bracelet size: five-link bracelet
Case diameter: 42mm
Scope of delivery: Full set including outer box, inner presentation box, warranty card, etc.

Posted at

Jun 22, 2025, 11:06 AM

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