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 3510.50 39mm Watch Only $2,500](https://preview.redd.it/lqigzforvdog1.jpg?width=640&crop=smart&auto=webp&s=4d75ec68dde3627a659337a1f107618c43944c8f)
Omega Speedmaster Reduced 3510.50 39mm Watch Only $2,500
A Speedmaster Reduced from Omega, a watch only sale with the bracelet fitting about 18cm wrists.
- Shipping origin: Singapore
- Shipping to usa: 4-5 business days
- Payment methods: Wise, Revolut, Wire Transfer, Crypto, Venmo
![[WTS] Omega Speedmaster Professional Moonwatch (Hesalite)](https://preview.redd.it/dp49kun6acog1.jpg?width=640&crop=smart&auto=webp&s=175830123b30cf6417e7b52ba5eb4e6e75472d84)
Omega Speedmaster Professional Moonwatch (Hesalite)
This modern Omega Speedmaster Professional Moonwatch features Master Chronometer technology, a stainless steel case, and a black anodized aluminum tachymeter bezel.
- Condition: Excellent
- Case size: 42mm
- Movement type: Co-Axial Master Chronometer Caliber 3861
- Power reserve: 50 hours
![[WTS] Omega Speedmaster Automatic Day-Date 3520.50.00 MK 40 | Great Condition (Serviced) | $2450](https://preview.redd.it/vlpkqryhvbog1.jpg?width=640&crop=smart&auto=webp&s=b946714918d06715ee9a6b947de602bde9504b23)
Omega Speedmaster Automatic Day-Date 3520.50.00 MK 40 | Great Condition (Serviced) | $2450
The Omega Speedmaster Automatic Day-Date features a stainless steel case with a twisted-lug design and domed sapphire crystal, powered by the modified Valjoux 7751 automatic chronograph movement.
- Condition: Great condition, serviced
- Movement: Omega 1151 (modified Valjoux 7751)
- Case dimensions: 39mm diameter, 44.75mm lug-to-lug, 14mm thick
- Lug width: 18mm
![[WTS] Omega Speedmaster Reverse 馃敟BNIB 3/2026, $10.5k +Shipping馃敟](https://preview.redd.it/xusjlr2ssbog1.jpg?width=640&crop=smart&auto=webp&s=f37379a9374376fe65f9d061e9795264d122aafa)
Omega Speedmaster Reverse 馃敟BNIB 3/2026, $10.5k +Shipping馃敟
The Omega Speedmaster Reverse is being sold as a brand new watch with a reference number of 310.30.42.50.01.004.
- Condition: Brand New
- Serial Number: not found
- Depth Rating: not found
- Water Resistance: not found
![[WTS] Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO](https://preview.redd.it/aioeg4yjobog1.jpg?width=640&crop=smart&auto=webp&s=c2bb7d52f4fdfb6e8c84c64737ff32a0777c567b)
Omega Speedmaster Professional Hesalite | 310.30.42.50.01.001 | Dated 03/2023 | $5500 OBO
This Omega Speedmaster Professional Moonwatch features a stainless steel case with a black dial and Hesalite crystal, powered by a manual wind mechanical movement.
- Condition: Very Good Condition
- Case Dimensions: 42mm diameter
- Bezel: stainless steel black
- Dial Color: black
![[WTS] 2024 OMEGA SPEEDMASTER PROFESSIONAL- WHITE DIAL - FULL KIT - $7,800](https://preview.redd.it/3316keselbog1.jpg?width=640&crop=smart&auto=webp&s=0a1c38aaaa3aa735830be35a0138b71a4d67d0a5)
2024 OMEGA SPEEDMASTER PROFESSIONAL- WHITE DIAL - FULL KIT - $7,800
The 2024 White Dial Omega Speedmaster Professional features a glossy, lacquered white stepped dial with applied blackened markers and hands. It is powered by the METAS-certified Master Chronometer Calibre 3861 and viewed through a sapphire exhibition caseback.
- Condition: Great condition/minor desk diving
- Movement: Manual-winding Calibre 3861 (Anti-magnetic to 15,000 gauss)
- Dial size: 42mm
- Water resistance: unknown
![[WTS] Omega Speedmaster Moonwatch 310.30.42.50.01.002 - Legendary Timepiece](https://preview.redd.it/aokp3e90r9og1.jpg?width=640&crop=smart&auto=webp&s=ea6a50a7a644c3d1eb45bb20933729d94c8ab73d)
Omega Speedmaster Moonwatch 310.30.42.50.01.002 - Legendary Timepiece
The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is an iconic timepiece that combines precision with timeless design. Featuring a robust stainless steel case and a classic black dial, it's not just a watch鈥攊t's a piece of history.
- Condition: Good
- Case material: stainless steel
- Dial color: black
![[WTS] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!](https://preview.redd.it/cj0dzm7r6aog1.jpg?width=640&crop=smart&auto=webp&s=7d7158aa455bc0e789f84dc2a2a8ba5d6d999964)
Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!
A Omega Speedmaster Racing Chronograph in the model 329.30.44.51.01.001 features a 44.25mm size and has all functions working as expected.
- Condition: pre-owned with minor wear
- Size: 44.25mm diameter
- Bracelet material: stainless steel
![[WTS] Omega Speedmaster First Omega In Space (FOIS)](https://preview.redd.it/zoxliqkl39og1.jpg?width=640&crop=smart&auto=webp&s=4a5f59521d3227f9903af07e06068565a5db88ef)
Omega Speedmaster First Omega In Space (FOIS)
This Omega Speedmaster "First Omega in Space" features a size of 39.7mm and comes with multiple straps.
- Case Size: 39.7mm
- Strap Count: 6
- Includes: Omega boxes,pictogram card,operating instructions booklet