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
50

Current Listings

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Omega - 332.10.41.51.01.002 · $9,299.009
This pre-owned Omega Speedmaster Pilot watch features a stainless steel case size of 41mm, automatic movement, black dial, water resistance of 100 meters, and comes with its inner and outer box, instruction manual, warranty card, pictogram card, master chronometer card, hangtag, and the one-year Topper Pre-Owned Select warranty.

  • Condition: 96% condition, with faint marks on the sides and back of the case, 93% bracelet condition due to slight marks on the links and clasp, 97% OEM strap condition due to minor wear
  • Case size: 41mm
  • Material: Stainless Steel
  • Dial color: Black
Posted at
Jun 15, 2025, 3:58 PM
Active
View listing on WatchUseek
[WTS] Omega Speedmaster. 38mm, Ceramic Bezel. Sharp Dial. Strong Lume, OEM strap + Clasp.

Omega Speedmaster. 38mm, Ceramic Bezel. Sharp Dial. Strong Lume, OEM strap + Clasp.

Omega - Speedmaster · $2,750
A 38mm Omega Speedmaster with a fire dial and strong lume, featuring a ceramic bezel and OEM strap.

  • Case size: 38mm
  • Bezel material: Ceramic
  • Band type: OEM strap
Posted at
Jun 15, 2025, 3:48 PM
Active
View listing on r/WatchExchange
[WTS] 2024 Omega Speedmaster Sapphire 3861 Professional Moonwatch- Full Set

2024 Omega Speedmaster Sapphire 3861 Professional Moonwatch- Full Set

Omega - 3861 · $5,749
This is a 2024 Omega Speedmaster Professional Moonwatch Sapphire Sandwich, purchased in February from Matthew Bain's eBay store and still under warranty.

  • Condition: Excellent
  • Year Of Production: 2024
  • Purchase History: Originally purchased from Topper Jewelry in Burlingame, CA on 08-23-2024; previously owned by the seller who purchased it from Matthew Bain's eBay store (wirelug) in February
Posted at
Jun 15, 2025, 3:43 PM
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[WTS] Omega Speedmaster Moonwatch Exhibition Back 3592.50 Apollo XI Watch

Omega Speedmaster Moonwatch Exhibition Back 3592.50 Apollo XI Watch

Omega - 3592.5 · $4,100
This is an Omega Speedmaster Moonwatch Exhibition Back 3592.50, a pre-owned watch from 1992 with light signs of wear and scratches on the sapphire caseback.

  • Condition: Good (Light Signs of Wear)
  • Case Width: 42mm
  • Year: 1992
Posted at
Jun 15, 2025, 1:51 PM
Active
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Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Omega - 332.10.41.51.01.002 · $9,299.009
Pre-owned Omega Speedmaster Pilot with automatic movement, 41mm stainless steel case, black dial, and 100m water resistance. Comes with original box, papers, and one-year warranty.

  • Condition: 96% (minor marks on case and back, slight marks on links and clasp)
  • Movement: Automatic
  • Case size: 41mm diameter
  • Material: Stainless Steel
Posted at
Jun 14, 2025, 8:32 PM
Active
View listing on WatchUseek
[WTS] Omega Speedmaster Professional Moonwatch 42mm 311.30.42.30.01.005 FULL SET 2019

Omega Speedmaster Professional Moonwatch 42mm 311.30.42.30.01.005 FULL SET 2019

Omega - 311.30.42.30.01.005 · $4,399
A 2019 Omega Speedmaster Professional Moonwatch with a 42mm case size and full set, including original receipt.

  • Condition: Unused, rarely worn
  • Year Of Manufacture: 2019
  • Size: 42mm
Posted at
Jun 14, 2025, 5:09 PM
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[WTS] Omega Speedmaster Broad Arrow - Ref. 3594.50 - Excellent Condition

Omega Speedmaster Broad Arrow - Ref. 3594.50 - Excellent Condition

Omega - 3594.50 · $3,599
Up for grabs today is an Omega Speedmaster '57 Broad Arrow that is in excellent condition.

  • Condition: Excellent
  • Bracelet size: 7.5 inch wrist diameter
  • Bracelet type: 1998/840 updated bracelet
Posted at
Jun 14, 2025, 4:36 PM
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[WTS] Omega Speedmaster Broad Arrow *RARE* Silver Dial | Inner and Out Box, International Warranty Card, Pictogram, Hang Tag, Manual | $3700 + Label | Watch is in great condition and functional

Omega Speedmaster Broad Arrow *RARE* Silver Dial | Inner and Out Box, International Warranty Card, Pictogram, Hang Tag, Manual | $3700 + Label | Watch is in great condition and functional

Omega - Broad Arrow · $3,700
The Omega Speedmaster Broad Arrow features a silver dial, comes with inner and out box, international warranty card, pictogram, hang tag, and manual.

  • Condition: great condition and functional
  • Box: inner and outer boxes
  • Papers: international warranty card, hang tag, and manual
Posted at
Jun 14, 2025, 4:09 PM
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[WTS] Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,095

Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,095

Omega - 311.92.44.51.01.006 · $8,095
Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Vintage, with features such as a new brown strap and a thorough timegrapher test.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Extra Brown Strap
Posted at
Jun 14, 2025, 1:26 PM
Active
View listing on r/WatchExchange