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] Uncle Bracelet for Omega Speedmaster Professional 1861 - Mint Condition - Fully Linked - only $60 shipped CONUS](https://preview.redd.it/8h75we1ctupg1.jpg?width=640&crop=smart&auto=webp&s=fe0697b4191093648515733cd1fd87226247299c)
![[WTS] Omega Speedmaster Date 3513.82 Blue Dial Automatic Chronograph Price : 2200$](https://preview.redd.it/orw3d3a6rtpg1.jpg?width=640&crop=smart&auto=webp&s=fc92296ce8f7f138fbbf066ab4d97212ede0976b)
Omega Speedmaster Date 3513.82 Blue Dial Automatic Chronograph Price : 2200$
The Omega Speedmaster Date Blue Dial Ref: 3513.82 is a highly sought-after automatic chronograph with a sporty design and strong Speedmaster DNA, featuring a stunning blue dial, three chronograph sub-dials, large Arabic numerals, date window at 3 o'clock, and tachymeter bezel.
- Condition: Good condition (has been serviced)
- Size: 39mm diameter
- Dial color: Blue color
- Movement: Caliber 1152
![[WTS] Omega Speedmaster Racing 326.30.40.50.03.001](https://preview.redd.it/q6lxv28aptpg1.jpg?width=640&crop=smart&auto=webp&s=3d7aa3477a934fc4e88c5881462ea9cbb35c0cc5)
Omega Speedmaster Racing 326.30.40.50.03.001
For sale is an Omega Speedmaster Racing reference number 326.30.40.50.03.001, running great and available to be inspected.
- Condition: Great condition with light wear around the watch
![[WTS] Omega Speedmaster Date 38.5mm 3513.54](https://preview.redd.it/nw8zke08otpg1.jpg?width=640&crop=smart&auto=webp&s=ac1ce128c33de729fb8e351ff62ee47bf31fc7e1)
Omega Speedmaster Date 38.5mm 3513.54
For sale is an Omega Speedmaster Date 38.5mm reference number 3513.54, it's from 1998 and running great.
- Condition: good condition with moderate wear
- Year: 1998
- Size: 38.5mm
- Payment Methods Accepted: credit card, crypto, etc.
![[WTS] Omega Speedmaster First Omega In Space (FOIS)](https://preview.redd.it/ga1o9rovktpg1.jpg?width=640&crop=smart&auto=webp&s=af9947af3e2ddb17d82558f197affbb771ce208c)
Omega Speedmaster First Omega In Space (FOIS)
This Omega Speedmaster 'First Omega in Space' features a 39.7mm case size and comes with six straps, including the original Omega strap and three additional Horus camo straps.
- Case size: 39.7mm
- Straps included: 6
![[WTS] 2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set](https://preview.redd.it/n2uorlw8cqpg1.jpg?width=640&crop=smart&auto=webp&s=b5c7d789fa1c4bb5b931b4b5f1623e47f3cf6084)
2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set
2024 Omega Speedmaster Moonwatch Professional White Dial for sale, full set
![[WTS] Omega Speedmaster Reduced Tritium Patina (Read Comment)](https://preview.redd.it/u708rb8jvppg1.jpg?width=640&crop=smart&auto=webp&s=383edecab3a862a9278da314222414c7f7b0c637)
Omega Speedmaster Reduced Tritium Patina (Read Comment)
This Omega Speedmaster Reduced has a beautiful patina and is in great condition overall, but it needs a new pusher to be restored to its original state.
![[WTS] Omega Speedmaster “Two Counter”in Blue 311.93.44.51.03.001 ($6650 obo)](https://preview.redd.it/s7ni8a3m3ppg1.jpg?width=640&crop=smart&auto=webp&s=4f96a5feb0cc4c4927c8c614ad086ce0fa81d3d2)
Omega Speedmaster “Two Counter”in Blue 311.93.44.51.03.001 ($6650 obo)
A 2020 Omega Speedmaster Two Counter in Titanium with a Blue Ceramic Bezel, featuring a two-counter design and coming as a full set with box and papers. The watch has been worn sparingly and is still under warranty from a dealer in Japan.
- Condition: Like new, minor wear on bracelet
- Bracelet condition: minor wear
- Warranty: still under warranty from dealer in Japan (requires servicing in Japan)
- Movement accuracy: +2 seconds per day at purchase
![[WTS] Omega Speedmaster Silver Snoopy Award – New/Unworn](https://preview.redd.it/9jaa2vempopg1.jpg?width=640&crop=smart&auto=webp&s=cd6b80e5c34a8d8cda7997f83c6cd55fe85665f6)
Omega Speedmaster Silver Snoopy Award – New/Unworn
A Omega Speedmaster Silver Snoopy Award celebrating NASA's Silver Snoopy Award presented to Omega following the Apollo 13 mission, featuring an animated Snoopy caseback and silver dial with blue accents.
- Condition: New / Unworn
- Case size: 42mm
- Movement type: Omega Co-Axial Master Chronometer Caliber 3861