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

1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)

Omega - 345.0022 · $7,749

A limited edition Omega Speedmaster 'Gemini V' watch, commemorating the NASA mission with a unique design and original packaging.

Condition: Excellent
Case diameter: 42mm
Bracelet reference: 1499
Bracelet end pieces: 842

Posted at

Aug 22, 2025, 10:49 PM

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Omega Speedmaster Triple Date Reduced 39mm 3523.80 Blue Dial Chronograph - Great Unpolished Condition! $2795 SHIPPED

Omega - 3523.80 · $2,795

A striking Omega Speedmaster Triple Date with a 39mm case and blue dial, featuring three sub-dials for high legibility.

Condition: Good, unpolished
Case size: 39mm diameter
Movement type: Automatic
Bracelet material: Stainless Steel

Posted at

Aug 22, 2025, 10:01 PM

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2025 Omega Silver Snoopy Speedmaster

Omega - 310.32.42.50.02.001 · $14,499

This is a 2025 Omega Silver Snoopy Speedmaster, a limited edition watch that comes in excellent condition with additional accessories.

Condition: excellent condition with minimal to no visible signs of wear
Case protection: professional aftermarket stickers applied for protection

Posted at

Aug 22, 2025, 7:58 PM

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Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Reduced ‼️🐼

Omega - CK2998, 311.33.40.30.02.001 · $7,895

The Omega Speedmaster CK2998 Limited Edition 'Blue Panda' is a striking modern Speedmaster released by Omega. It features a manual winding OMEGA calibre 1861 and a unique 'lollipop' chronograph seconds hand reminiscent of the original CK2998 model.

Condition: Pre-owned, excellent condition
Case material: stainless steel
Case size: 40mm diameter
Movement: Manual winding OMEGA calibre 1861

Posted at

Aug 22, 2025, 7:03 PM

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Omega Speedmaster Schumacher Legend Edition - 42mm Red Dial - 3506.61 - Reduced!

Omega - 3506.61 · $3,850

This Omega Speedmaster Legend Red Schumacher LE is a part of Omega's 'Legend Collection' designed to celebrate the brand partnership with F1 driver Michael Schumacher. It comes in 42mm size, making it suitable for anyone.

Condition: Preowned with very light scratches and small dings on bezel
Case Size: 42mm
Wrist Fit: 7inch

Posted at

Aug 22, 2025, 7:00 PM

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🔥NEW OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 8/2025 WITH STICKERS!!!🔥

Omega - 310.30.42.50.01.002 · $6,950

A brand new, unworn Omega Speedmaster Moonwatch Professional Sapphire Sandwich with a black dial and stainless steel case.

Condition: BRAND NEW/UNWORN WITH STICKERS
Case Size: 42mm diameter
Material: Stainless Steel

Posted at

Aug 22, 2025, 4:48 PM

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

Omega - 311.30.42.30.03.001 · $7,900

A rare and exquisite Omega Speedmaster Apollo XVII, a limited edition timepiece that commemorates the 45th anniversary of the final moon landing in 1972.

Condition: Very good condition with slight imperfections on the dial
Case size: 42mm
Bezel material: Polished Blue Ceramic
Dial material: Polished Blue Ceramic

Posted at

Aug 22, 2025, 10:15 AM

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