Omega Speedmaster Speedmaster Professional Moonphase / Strap
Reference 3876.50.31
About this watch
The Omega Speedmaster Professional Moonphase is an exquisite blend of precision, technology, and style, boasting a storied history in horology. With its classic yet sporty design, this watch exudes sophistication, featuring a black dial highlighted by the stainless steel case. The stick and dot indexes provide excellent visibility, while the moonphase complication adds a touch of elegance to its sporty demeanor. At its heart lies the Omega caliber 1866, a handwound chronograph movement renowned for precision and reliability. With a power reserve of 45 hours, it's designed to withstand daily wear and tear, making it an excellent choice for both men and women. The watch's durability is further enhanced by its sapphire crystal, ensuring that the beauty of the dial remains unblemished over time. Water-resistant up to 50 meters, this watch is suitable for splashes and brief immersions in water. Whether you're a collector, space enthusiast, or simply looking for a reliable timepiece, the Speedmaster Professional Moonphase ticks all the boxes, offering a perfect blend of functionality, style, and history.
Key Features
- Omega Caliber 1866 Handwound Chronograph Movement
- 42mm Stainless Steel Case with Tachymeter Bezel
- Sapphire Crystal for Scratch-Resistant Durability
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonphase / Strap
- Reference
- 3876.50.31
- Movement
- 1866
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Moonphase
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Reduced Mother of Pearl Ref 3534.70 - $1999 SHIPPED](https://preview.redd.it/z1xubsyyo0lf1.jpeg?auto=webp&s=eedde8d4ca07d574f5444eb84e3d6bcd6f277ade)
![[WTS] OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.001
HESALITE MOONWATCH- $4,950 SHIPPED](https://preview.redd.it/danfxyfr10lf1.jpg?width=640&crop=smart&auto=webp&s=abdde5b0473afb26c73d2646a87370b6579f998f)
![[WTS] Omega Speedmaster 39mm Japanese Market](https://preview.redd.it/my3abok4oxkf1.jpg?width=640&crop=smart&auto=webp&s=59468075157ad31bd6d4ae2af31daee292060a53)
Omega Speedmaster 39mm Japanese Market
This Omega Speedmaster features a 39mm dial and is powered by automatic movement calibre 1152.
- Condition: clean condition overall, scratch on crystal above date
- Movement caliber: calibre 1152
- Bracelet fit: approx 7 inches
![[WTS] Omega Speedmaster Sapphire Sandwhich 3999$](https://preview.redd.it/byz0p4nemxkf1.jpg?width=640&crop=smart&auto=webp&s=89b33ccf2f41d9680a84826fcd59b8c4df17d0ed)
Omega Speedmaster Sapphire Sandwhich 3999$
This Omega Speedmaster Sapphire Sandwhich features a 42mm dial size, sapphire crystal on top, and an exhibition caseback with the cal 1861 manual winding movement.
- Condition: clean condition overall
- Dial Size: 42mm
- Crystal Type: sapphire
- Movement: cal 1861 manual winding
![[WTS] Omega Speedmaster MK40 Schumacher Ref : 3520.53.00 Condition Good Price : 2800$](https://preview.redd.it/plgyv59yyvkf1.jpg?width=640&crop=smart&auto=webp&s=398607d45227113bb6bbfb36124b35a61b22756f)
Omega Speedmaster MK40 Schumacher Ref : 3520.53.00 Condition Good Price : 2800$
The Omega Speedmaster Day-Date Ref. 3520.53.00 is a vintage Moonwatch variant from the 1990s that blends a chronograph with a triple calendar and AM/PM indicator.
- Condition: Good
- Movement: Automatic, Omega caliber 1151 (based on Valjoux 7751)
- Case size: 39mm diameter
- Crystal type: Scratch-resistant sapphire
![[WTS] 2023 Omega Speedmaster Super Racing 44.25mm 329.30.44.51.01.003](https://preview.redd.it/57qxynbsavkf1.jpg?width=640&crop=smart&auto=webp&s=0a938cf63435f530ddeae5eeea0171ca7eb71ffa)
2023 Omega Speedmaster Super Racing 44.25mm 329.30.44.51.01.003
2023 Omega Speedmaster Super Racing with a 44.25mm case size, in great condition with some signs of wear.
- Condition: Pre-Owned, with wear on clasp, bracelet, and polished sides of lugs
- Water Resistance: 100m depth rating
- Service History: Unknown
- Box And Papers: Triple-boxed, manual, NATO strap, and other accessories
![[WTS] Omega Speedmaster 40MM “FOIS” (First Omega In Space) Ref - 310.30.40.50.06.001 (NEW / UNWORN 2025 COMPLETE SET)](https://preview.redd.it/rjig7px20vkf1.jpg?width=640&crop=smart&auto=webp&s=932df694e64d2ab3a78225a24e1f62252958315e)
Omega Speedmaster 40MM “FOIS” (First Omega In Space) Ref - 310.30.40.50.06.001 (NEW / UNWORN 2025 COMPLETE SET)
The Omega Speedmaster "FOIS" is a limited edition watch commemorating the first Omega watch worn in space, featuring a 40MM case size.
- Condition: New, unworn
- Case diameter: 40mm
- Box contents: Outer box,Inner box,Warranty card,Pictograms card,Master Chronometer card,x2 manuals,Microfiber,Travel case
![[WTS] Omega Speedmaster. 39mm. Olympics Edition. Sapphire. Mother of pearl dial. 🔥](https://preview.redd.it/r2xigmb2aukf1.jpeg?auto=webp&s=0853b0e017624bf5c7027a881376a0ae5dfa7d72)
Omega Speedmaster. 39mm. Olympics Edition. Sapphire. Mother of pearl dial. 🔥
This Omega Speedmaster is a 39mm watch featuring a mother of pearl dial and sapphire crystal.
- Condition: Clean
- Size: 39mm diameter
- Case material: unknown
- Movement type: Automatic
![[WTS] Omega Speedmaster Professional White New in Box (2025 Complete Set)](https://preview.redd.it/4x2j3rzc4ukf1.jpg?width=640&crop=smart&auto=webp&s=81dd1289407e339097ac119a1867a11c772eb44e)
Omega Speedmaster Professional White New in Box (2025 Complete Set)
A brand new Omega Speedmaster Professional White on a rubber strap, complete with its full set of accessories.
- Condition: New in Box (unworn)
- Case material: Stainless Steel
- Bracelet type: Rubber Strap
- Water resistance: 50m