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 Speedy Tuesday - MINT UNWORN $14,500

Omega - Speedmaster Speedy Tuesday ST1 · $14,500

Up for sale is THE Speedy Tuesday ST1, an UNWORN and MINT example of this hard-to-find watch.

Condition: Mint Unworn
Case material: Metal
Features: Includes box, warranty cards, accessories

Posted at

Jun 13, 2025, 1:35 PM

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Omega Speedmaster Speedy Tuesday #16!- Serviced w/Box,Papers $12000

Omega - Speedmaster Speedy Tuesday #16 · $12,000

Up for sale is the Omega Speedmaster Speedy Tuesday ST1 #16, a very exclusive model in excellent condition. The watch includes its original box, warranty cards, accessories, and an extra Omega black nylon nato strap.

Condition: Very good condition, little sign of wear
Serviced: 1.5 years ago
Includes: box,warranty cards,accessories,extra Omega black nylon NATO
Payment Terms: PayPal,wire,venmo

Posted at

Jun 13, 2025, 1:34 PM

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1972 Omega Speedmaster Mark 3 Automatic Ref. 176.002 | $2,300

Omega - 176.002 · $2,300

The Omega Speedmaster Mark 3 is an important piece of history for Omega, featuring an automatic movement and date display. The watch has a stainless steel case with a mineral crystal and measures 41 x 51.6mm in size.

Condition: Good, with some scratches on the case and aging on the dial
Case Size: 41 x 51.6mm diameter
Thickness: 16.5mm
Crystal: Mineral

Posted at

Jun 13, 2025, 11:48 AM

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[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set

Omega - 329.30.43.51.02.002 · $6,050

Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm that functions perfectly mechanically, without issue.

Condition: Fantastic condition with minor hairlines
Case size: 43mm diameter

Posted at

Jun 13, 2025, 8:24 AM

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Omega Speedmaster Moonwatch Professional White Sapphire Sandwich 42mm - 310.30.42.50.04.001

Omega - 310.30.42.50.04.001 · $7,692

This Omega Speedmaster Moonwatch Professional White Sapphire Sandwich is a 42mm stainless steel watch with white sapphire sandwich dial and features the Master Chronometer certification.

Condition: MINT condition, like new
Material: Stainless Steel
Size: 42mm diameter
Included With Warranty: true

Posted at

Jun 13, 2025, 2:16 AM

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2023 Omega Speedmaster Moonwatch Professional Chrono (Sapphire)(S.S.)(REF 31030425001002)

Omega - 31030425001002 · $6,200

Material: sapphire crystal, stainless steel

Posted at

Jun 12, 2025, 10:11 PM

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omega speedmaster 145022-76 - long bracelet, perfect dial and unpolished case. Cal. 861 - no trades. $5400 shipped

Omega - 145022-76 · $5,400

A Omega Speedmaster 145022-76 with a long bracelet and unpolished case, featuring Cal. 861.

Bracelet length: long
Dial condition: perfect
Case condition: unpolished

Posted at

Jun 12, 2025, 5:56 PM

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OMEGA Speedmaster Professional Apollo 11 L.E. $4,299

Omega - 3560.50.00 · $4,299

The Omega Speedmaster Professional Moonwatch 30th anniversary Apollo XI is a limited edition of 9,999 pieces, introduced in 1999 to commemorate the 30th anniversary of the Apollo 11 mission. This watch features a special caseback with an Apollo 11 patch engraving and is powered by a hand-wound Omega cal. 1861 movement.

Condition: Excellent pre-owned condition
Lug width: 20mm
Lug-to-lug: 48.2mm
Case size: 42 mm

Posted at

Jun 12, 2025, 4:08 PM

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