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
Omega Speedmaster Professional Apollo 11 L.E. 30th Anniversary
The Omega Speedmaster Professional Moonwatch 30th anniversary Apollo XI is a limited edition of 9,999 pieces, introduced in 1999 to commemorate the 30th anniversary of the Apollo 11 mission. It features a special caseback engraving with an Apollo 11 patch and is similar to the regular 3570.50.00 in all details.
- Condition: Excellent pre-owned condition
- Lug width: 20mm
- Lug-to-lug: 48.2mm
- Case size: 42 mm
![[WTS] Omega Speedmaster Schumacher](https://external-preview.redd.it/trJ9gWFFe_xIuTQPCaJ7GskZt-6G3XLtT_0uVo0uhDw.jpeg?auto=webp&s=7904f89327426577f9714cd70a8029997a1d1630)
Omega Speedmaster Schumacher
Selling a Omega Speedmaster Schumacher, comes as watch only.
- Shipping: FedEx next day shipping included
Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( new / 2025 )
A brand new Omega Speedmaster Racing Master Co-Axial in White Dial, featuring a 44.25mm stainless steel case and master co-axial chronometer.
- Condition: Brand new / complete set
- Case size: 44.25mm diameter
- Movement: Master Co-Axial 9900
Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and a white dial with sapphire crystal.
- Condition: Excellent
- Case size: 42mm
- Movement: Omega Master Chronometer Movement
Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 (excellent / 2024)
Up for sale is an Omega Speedmaster Racing Master Co-Axial in White Dial, reference # 329.30.44.51.04.001. It comes with all boxes, papers, booklets, and Omega Warranty Card dated November 2024.
- Condition: Excellent
- Case Size: 44.25mm
- Material: Stainless Steel
- Movement: Master Co-Axial 9900 Chronometer
Omega Speedmaster '57 - 40.5mm Co-Axial - 332.10.41.51.01.001 ( excellent )
This Omega Speedmaster '57 Novelties 2022 is a stainless steel watch with a 40.5mm case and 9906 Master Co-Axial Movement. It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated September 2022.
- Condition: Excellent Condition
- Case size: 40.5mm
- Movement type: 9906 Master Co-Axial
![[WTS] Omega Speedmaster Speedy Tuesday - MINT UNWORN $14,500](https://external-preview.redd.it/IRR3TTnKIIKAtuaoCShzr6Q1AzCBC086uaeSjMOEaQM.jpeg?auto=webp&s=4d8bc3c9c9b6a2f18d860f676d9d4a6a37abe3ca)
Omega Speedmaster Speedy Tuesday - MINT UNWORN $14,500
Up for sale is THE Speedy Tuesday ST1, an UNWORN and MINT example of this hard-to-find watch.
- Condition: Mint Unworn
- Case material: Metal
- Features: Includes box, warranty cards, accessories
![[WTS] Omega Speedmaster Speedy Tuesday #16!- Serviced w/Box,Papers $12000](https://external-preview.redd.it/maH1rSvYCFmEPrvoX-1wVZwzv4Go63yCGYsMueGK6Aw.jpeg?auto=webp&s=5f9adb0773ed9e05e279bddd2a16e112338bef1f)
Omega Speedmaster Speedy Tuesday #16!- Serviced w/Box,Papers $12000
Up for sale is the Omega Speedmaster Speedy Tuesday ST1 #16, a very exclusive model in excellent condition. The watch includes its original box, warranty cards, accessories, and an extra Omega black nylon nato strap.
- Condition: Very good condition, little sign of wear
- Serviced: 1.5 years ago
- Includes: box,warranty cards,accessories,extra Omega black nylon NATO
- Payment Terms: PayPal,wire,venmo
![[WTS] 1972 Omega Speedmaster Mark 3 Automatic Ref. 176.002 | $2,300](https://external-preview.redd.it/bRsA4MVZL0I-9wGHM94gpaqBsHjfj2gnI2Tez8qYa2k.jpeg?auto=webp&s=ab59eff1f62d2491b2d50fd15cfceb4218b1bc6e)
1972 Omega Speedmaster Mark 3 Automatic Ref. 176.002 | $2,300
The Omega Speedmaster Mark 3 is an important piece of history for Omega, featuring an automatic movement and date display. The watch has a stainless steel case with a mineral crystal and measures 41 x 51.6mm in size.
- Condition: Good, with some scratches on the case and aging on the dial
- Case Size: 41 x 51.6mm diameter
- Thickness: 16.5mm
- Crystal: Mineral