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.
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
![[WTS] 馃殌 鈥硷笍Omega Speedmaster 40mm Date Blue 馃數鈥硷笍 馃殌](https://preview.redd.it/53q4b2tdfc8f1.jpeg?auto=webp&s=dbf9fba2fa39f7090dd129d10e7ba624a9fee952)
馃殌 鈥硷笍Omega Speedmaster 40mm Date Blue 馃數鈥硷笍 馃殌
A 40mm Omega Speedmaster Date Blue watch with a chronograph function, water resistance of 100m/330ft, and no box or papers.
- Condition: Used / functions great
- Case Size: 40mm diameter
- Water Resistance: 100m depth rating
- Movement Certified: Chronometer Certified
![[WTS] Omega Speedmaster Michael Schumacher yellow 39mm](https://preview.redd.it/0lpjvvh1fc8f1.jpeg?auto=webp&s=78e498cb0f3b9c134384db26108fab86ba2a6cfc)
Omega Speedmaster Michael Schumacher yellow 39mm
This Omega Speedmaster Michael Schumacher edition is a 39mm yellow model that has been worn often, showing light scratches. It still works perfectly.
- Condition: Used
- Case size: 39mm diameter
- Strap condition: not original
![[WTS] 2025 White Omega Speedmaster Moonwatch - Mint $7,900 obo](https://external-preview.redd.it/s4QurB89GSYuPD5o04lfmdxS-k2v9gtipmii-HF8nb8.jpeg?auto=webp&s=dc7c336fc52949fdfd5805b74a270fffa0ffa704)
2025 White Omega Speedmaster Moonwatch - Mint $7,900 obo
This is a 2025 White Omega Speedmaster Moonwatch, sold in mint condition with original box and packaging. It comes with a receipt from an official boutique.
- Year: 2025
- Box And Paperwork: yes
![[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set](https://external-preview.redd.it/Vk-3UWLKUkUdaNdhwzfaT6seq5Ax3mEoT17t2rxqrqI.jpeg?auto=webp&s=7c601eeada147266e5894505b274a8b83f390ffb)
[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set
This Omega Speedmaster Chronoscope features a white panda dial and measures 43mm in diameter.
- Condition: Excellent with minor signs of wear
- Case Size: 43mm
- Dial Color: White Panda Dial
![[WTS] Omega Speedmaster Chronoscope Silvery Dial Full Set](https://external-preview.redd.it/Z-ZYPf0nQt_eyz1wTj3IIv6B_DrJFGhSAmKnrzxujms.jpeg?auto=webp&s=ab48a471ebf50914cb2a8bebd65b3c0f6c186ac8)
Omega Speedmaster Chronoscope Silvery Dial Full Set
A Speedmaster Chronoscope with a silvery dial is being sold as a full set, including its box and papers.
- Condition: New, unworn
- Year of purchase: 2022
- Box and papers included: yes (never used)
- Bracelet size adjustment: done
Omega Speedmaster Chronograph Day-Date Silver dial 3523.30
A stainless steel Omega Speedmaster Date Chronograph Day-Date with a silver dial, featuring a mechanical automatic movement and 39mm case size.
- Condition: 90%
- Case material: Stainless Steel
- Movement type: Mechanical Automatic
- Diameter: 39mm
![[WTS] Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,095](https://external-preview.redd.it/1rX3WOkt5HQlwRGOFCmv5nbNlS6RWHIRk3EBfx1tdZo.jpeg?auto=webp&s=fab43f4c876470b05a3705d8e685adc733d12424)
Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,095
Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Vintage Black, featuring a 2022 model year and full set contents including box, warranty card, and extra strap.
- Condition: Excellent condition with minimal signs of wear
- Year: 2022
- Contents: [object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
- Shipping: [object Object]
![[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $7,995](https://external-preview.redd.it/H7Xc6J99UVsvimjYNZLTzdZHNNapIrERrzx5Qbd-n0E.jpeg?auto=webp&s=c77a868284dfa7248aeac54fde484d5c13592f79)
Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $7,995
This Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8 is a well-maintained timepiece from 2019, featuring a robust design and a comprehensive set of accessories.
- Condition: Excellent condition with no signs of wear
- Year: 2019
- Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
- Shipping: Fully insured through Fedex Overnight in the USA
Omega Speedmaster Racing Chronograph 44mm Ref - 329.30.44.51.04.001
A 44mm Omega Speedmaster Racing Chronograph in white dial with textured finish and date function.
- Condition: Good, with outer box damage
- Size: 44mm diameter
- Box And Papers: Yes