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] Omega Speedmaster Moonwatch Sapphire Sandwich 1863 on Latest OEM Omega 3861 Bracelet with Quick Adjust Clasp + OEM Omega 3861 Moonwatch Box Set + Spiralwinder DON Ceramic Bezel - CLEAN, only $5400 shipped CONUS for everything](https://preview.redd.it/hz2xy6byndgg1.jpg?width=640&crop=smart&auto=webp&s=8c11aab6536856cf9967bdf78b3fe194880a89fd)
Omega Speedmaster Moonwatch Sapphire Sandwich 1863 on Latest OEM Omega 3861 Bracelet with Quick Adjust Clasp + OEM Omega 3861 Moonwatch Box Set + Spiralwinder DON Ceramic Bezel - CLEAN, only $5400 shipped CONUS for everything
This Omega Speedmaster Moonwatch Sapphire Sandwich is in fantastic condition and features a fully lumed ceramic bezel. It comes with an OEM Omega 3861 bracelet and box set.
- Condition: Fantastic condition, some minor scratches on polished bits of case
- Bracelet type: OEM Omega 3861
- Bezel type: Fully lumed ceramic bezel, spiralwinder DON
- Original bezel included: yes
![[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎](https://preview.redd.it/scuvnx8u2dgg1.jpg?width=640&crop=smart&auto=webp&s=f90b4bb06fe2260eee9ff92fafdaf5aec7b1f1a7)
Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎
A very rare and fully original Omega Speedmaster Moonwatch from 1969 in stunning condition, featuring a tropical brown dial with heavy yellow patina.
- Diameter: 42mm
- Year: 1969
![[WTS] Omega Speedmaster Professional Moonwatch 31130423001005 $4500 NYC](https://preview.redd.it/2ha4a64zycgg1.jpg?width=640&crop=smart&auto=webp&s=d063e8fd25049aaa88f756bb6c6d59b3ab42e013)
Omega Speedmaster Professional Moonwatch 31130423001005 $4500 NYC
This Omega Speedmaster Professional Moonwatch is a full set that has been worn weekly. It runs as it should.
- Condition: Gently used, minor marks on crystal and bracelet
- Payment methods: PayPal, meetups in NYC
![[WTS] Omega Speedmaster Professional Sapphire Sandwich - 3861 movement - box, papers](https://preview.redd.it/f59748n76cgg1.jpg?width=640&crop=smart&auto=webp&s=1109b57c9016b385a9ed7c907710fbe921cf4cd0)
Omega Speedmaster Professional Sapphire Sandwich - 3861 movement - box, papers
A 2022 Omega Speedmaster Professional Sapphire Sandwich with a 3861 movement, sold on a bracelet and including box, papers, warranty card, manual, and extra links.
- Condition: great condition, with micro scratches throughout from regular use
- Movement: 3861
- Bracelet size: suitable for 7.5 inch wrist
- Links included: 2 extra links
![[WTS] Omega Speedmaster Automatic Schumacher Ref. 3810.61.41 - $2950](https://preview.redd.it/mh287uabkbgg1.jpg?width=640&crop=smart&auto=webp&s=088e7953911e1ccb9af1499ba8b7131d8411a1b9)
Omega Speedmaster Automatic Schumacher Ref. 3810.61.41 - $2950
This Omega Speedmaster Automatic Schumacher features a sleek design and is accompanied by a new aftermarket strap.
- Condition: Pre-owned with minor scratches on the bracelet
- Bracelet condition: minor hairline scratches consistent with wear
- Straps included: 1 new aftermarket strap, 1 original bracelet
- Shipping: $2950 includes Fedex overnight shipping within the US
![[WTS] Omega Speedmaster Racing 326.30.40.50.02.001](https://preview.redd.it/s2f3t3ijibgg1.jpg?width=640&crop=smart&auto=webp&s=63edf0a0c3572e72e8a04380e878c465f983ddcb)
Omega Speedmaster Racing 326.30.40.50.02.001
This is the Omega Speedmaster Racing with a silver dial, featuring a 40mm automatic chronograph and co-axial movement. It's a sporty watch that's also very wearable.
- Condition: excellent preowned condition
- Case size: 40mm diameter
- Movement: co-axial movement
![[WTS] Omega Speedmaster moonwatch professional](https://preview.redd.it/cspdwuhj8agg1.jpeg?auto=webp&s=eda3615999d3fe3cabb02898b4e25eb1f81f7014)
Omega Speedmaster moonwatch professional
This is a 2023 Omega Speedmaster Professional Moonwatch featuring a 42mm stainless steel case, manual-winding Co-Axial Master Chronometer Calibre 3861, and a Sapphire Crystal.
- Condition: Excellent
- Case size: 42 mm
- Material: stainless steel
- Movement type: manual winding
![[WTS] OMEGA Speedmaster Moonwatch Professionnal 310.20.42.50.99.001](https://preview.redd.it/1cea3e7qx8gg1.jpg?width=640&crop=smart&auto=webp&s=50612af3a327b5be454b1709514225ce883699dd)
![[WTS] Omega Speedmaster Professional Moonwatch – Sapphire Sandwich – Full Set](https://preview.redd.it/loh2qrvm97gg1.jpg?width=640&crop=smart&auto=webp&s=f45dc1972cd92502e7526d44773b0bf1dc775766)
Omega Speedmaster Professional Moonwatch – Sapphire Sandwich – Full Set
The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is a modern take on the classic design featuring a sapphire crystal and caseback.
- Condition: Excellent with minor signs of wear
- Movement: Manual-wind Cal. 3861 (METAS Master Chronometer)
- Case size: 42mm
- Water resistance: 50m