Omega Speedmaster Speedmaster Professional Moonwatch Sapphire Sandwich / Strap

Reference 3873.50.31

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.
Buy Now on Jomashop
This is an affiliate link
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

BNIB Omega SPEEDMASTER SILVER SNOOPY AWARD 50TH ANNIVERSARY 2025 FULL SET

BNIB Omega SPEEDMASTER SILVER SNOOPY AWARD 50TH ANNIVERSARY 2025 FULL SET

A 2025 Omega Speedmaster Professional Moonwatch, specifically the Silver Snoopy Award edition, featuring a 42mm stainless steel case and silver dial with blue subdials. This watch is part of the 50th Anniversary celebration and comes with a full set of accessories and documentation.

  • Condition: Brand New in Box (BNIB)
  • Case Size: 42mm
  • Movement:
  • Water Resistance:
Posted at
Feb 19, 2025, 10:15 PM
Active
Omega Speedmaster Moonwatch White Dial 310.30.42.50.04.001

Omega Speedmaster Moonwatch White Dial 310.30.42.50.04.001

Up for sale is the Omega Speedmaster Moonwatch White Dial, a beautiful watch under factory warranty until August 2029.

  • Condition: Mint condition with minor signs of wear
  • Warranty Start Date: August 2024
  • Msrp: 8100
  • Comes With: Outer Box, Inner Speedmaster Box, Operating Instructions, Moonwatch Booklet, Pictograms Card, Master Chronometer Card, International Warranty Card
Posted at
Feb 19, 2025, 3:49 PM
Active
Omega Speedmaster Moonwatch Sapphire Sandwich-310.30.42.50.01.002

Omega Speedmaster Moonwatch Sapphire Sandwich-310.30.42.50.01.002

A direct descendant of the watch worn on the Moon, this Omega Speedmaster Moonwatch features a classic asymmetrical 42mm stainless steel case and black stepped dial, powered by a hand-wound Co-Axial Master Chronometer 3861 movement.

  • Condition: EXCELLENT, very light signs of use
  • Case Size: 42mm diameter
  • Material: stainless steel
  • Bezel: black aluminum with tachymeter scale
Posted at
Feb 18, 2025, 5:14 PM
Active
Omega Speedmaster �Dark Side of the Moon� 311.92.44.51.01.007

Omega Speedmaster �Dark Side of the Moon� 311.92.44.51.01.007

A bold reimagining of the iconic Moonwatch, crafted from a single block of black ceramic with a stunning black zirconium oxide dial and Co-Axial Master Chronometer movement.

  • Condition: EXCELLENT - Very light signs of wear, if any
  • Case Size: 44.25mm diameter
  • Material: Black Ceramic
  • Bezel: Black Ceramic with Tachymeter Scale
Posted at
Feb 18, 2025, 5:07 PM
Active
Omega SPEEDMASTER MOONPHASE 18K YELLOW GOLD STEEL GREEN BEZEL GREY DIAL 2024

Omega SPEEDMASTER MOONPHASE 18K YELLOW GOLD STEEL GREEN BEZEL GREY DIAL 2024

This Omega Speedmaster Moonwatch features a 18K yellow gold and stainless steel case with a green ceramic bezel and grey dial.

  • Condition: Excellent, unpolished condition
  • Case size: 44.25mm diameter
  • Movement: Omega Co-Axial Master Chronometer 9904 chronograph movement
  • Warranty: under 5 years factory warranty remaining
Posted at
Feb 17, 2025, 8:42 PM
Active
Omega Speedmaster Reduced "Marui" - 3510.21 - White - Steel - 39mm

Omega Speedmaster Reduced "Marui" - 3510.21 - White - Steel - 39mm

Omega - 3510.21 · $5,995
A vintage Omega Speedmaster Reduced 'Marui' watch in excellent condition, featuring a white dial and stainless steel case.

  • Condition: Pre-Owned, Excellent Grade
  • Case Size: 39mm diameter
  • Material: Stainless Steel
  • Dial Color: White
Posted at
Feb 16, 2025, 10:59 PM
Active
2006 Omega Speedmaster "Schumacher Limited Edition" Ref. 3559.32 with Box & Paper

2006 Omega Speedmaster "Schumacher Limited Edition" Ref. 3559.32 with Box & Paper

Omega - 3559.32 · $5,950
The Omega Speedmaster Michael Schumacher Limited Edition features a striking 42mm stainless steel case, white panda dial with black subdials, and the reliable automatic Caliber 3301 movement. It has a tachymeter bezel, sapphire crystal, and 100m water resistance, blending style with functionality.

  • Condition: Excellent (little to no wear)
  • Movement: Automatic
  • Case width: 42mm diameter
  • Strap length: 8.00 inches
Posted at
Feb 16, 2025, 1:50 PM
Active
>>ReDuCeD<< OMEGA SPEEDMASTER AUTOMATIC 3211.31 PANDA DIAL

>>ReDuCeD<< OMEGA SPEEDMASTER AUTOMATIC 3211.31 PANDA DIAL

Omega - 3211.31 · $1,995
A stainless steel Omega Speedmaster Automatic with Panda dial, featuring the Omega 1164 movement and a diameter of 40mm.

  • Condition: Excellent
  • Movement: Omega 1164
  • Bracelet Size: fits up to 7.25"
Posted at
Feb 16, 2025, 9:46 AM
Active