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 Racing Chronograph 44mm Ref - 329.30.44.51.04.001](https://external-preview.redd.it/EhZ1M9NGOQcqHtYUBy8S3MWWwDOLSVDW4Cr5fcM2i_s.jpeg?auto=webp&s=e5c50896ee04bbd1f217ab7ec0215f3207d834ed)
Omega Speedmaster Racing Chronograph 44mm Ref - 329.30.44.51.04.001
A Omega Speedmaster Racing Chronograph in a larger size with date function and textured dial.
- Condition: Excellent, some exterior damage to inner box
- Size: 44mm diameter
- Case material: not specified
Pre-Owned Omega Speedmaster Dark Side of the Moon Apollo 8 311.92.44.30.01.00
A pre-owned Omega Speedmaster Dark Side of the Moon Apollo 8, a black ceramic watch with a hand-wind movement and 50m water resistance.
- Condition: 95% condition, faint marks on sides and back of case, strap in 94% condition due to minor wear and creasing
- Movement: Hand-Wind
- Case size: 44mm diameter
- Material: Ceramic
![[WTS] 2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001](https://external-preview.redd.it/pDI5q-1kFE2D4EYw6gUbP66AbF5kbzSXoq_NI-gGJnw.jpeg?auto=webp&s=cb549b11a739357771bb748133c3fced55bad53d)
2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001
2019 Omega Speedmaster 57' with a 40.5mm black dial, featuring full links and a double-boxed package.
- Condition: Excellent Pre-Owned Condition
- Diameter: 40.5mm
![[WTS] 2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001](https://external-preview.redd.it/iY-R8yC61XitR3UZNJJqp7as7uEwoxCd-VgUo-YKcsY.jpeg?auto=webp&s=4390575a4e9e097ac4d507111f59cba94b6e24f2)
2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001
2024 Omega Speedmaster Moonwatch Professional with Hesalite crystal, 42mm diameter, and Master Chronometer certification.
- Condition: Excellent Pre-Owned Condition
- Case Size: 42mm diameter
![[WTS] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set](https://external-preview.redd.it/Y3N5a2twM2JqNDhmMVn99S7j1BCF-bdV_30u-MGPEe30jx-fRXgvlKaLijIA.png?format=pjpg&auto=webp&s=05180b75cb129cafbe8db8ea41843f50a0cc40b9)
Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set
The Omega Speedmaster Chronoscope features a distinctive white panda dial with three timing scales in a 1940's design, including tachymeter, pulsometer, and telemeter scales.
- Condition: exceptional, mint condition with slight marks on the clasp and case side
- Diameter: 43mm
OCT 2024 Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001
This Omega Speedmaster racing watch features a 44.25mm case size, is from the factory in October 2024, and has a retail price of $9200 plus tax.
- Condition: Good condition and full set
- Case Size: 44.25mm
- Warranty Date: OCT 2024
- Retail Price: $9200 plus tax
![[WTS] 2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]](https://external-preview.redd.it/8jpGnTuv0KCq-daOd6HkIvyHdrHq_XO8sbNbtkQ07eE.jpeg?auto=webp&s=80b2834016312fe27a89d284d46f5956d17d7555)
2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]
A nearly complete set of the 2009 Omega Speedmaster Alaska Project, a 42mm watch that functions perfectly mechanically.
- Condition: Excellent condition with hairlines at most
- Size: 42mm diameter
- Set completeness: nearly full set
Omega Speedmaster Moonphase Moonwatch Moonwatch Blue 44mm 304.33.44.52.03.001 Leather
A 44mm stainless steel Omega Speedmaster Professional Moonwatch with a blue dial, sapphire crystal, and automatic self-winding movement. It features a chronograph, date indicator, and moonphase function.
- Condition: Very good condition with signs of wear as pictured
- Case Diameter: 44.25mm
- Band Material: Dark Blue Leather Strap
- Crystal Type: Sapphire
Omega Speedmaster Date 3210.50.00
A pre-owned Omega Speedmaster Date with a date display, chronograph functions, and a stainless steel bracelet.
- Condition: Excellent condition
- Bracelet size: 7.5" wrist
- Links removable: 7