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 3510.52 (Reverse Panda Dial)](https://preview.redd.it/jmli4hu4sskf1.jpeg?auto=webp&s=30e2511a7cb92de1ca9efa9af7c3e1f7f561ca7c)
Omega Speedmaster Reduced 3510.52 (Reverse Panda Dial)
This Omega Speedmaster Reduced features a unique 'Reverse Panda' dial and was released in Japan in the 90's. It has a smaller 39mm diameter, an automatic 3220 movement, and is in good condition for its age.
- Condition: Pretty good, normal signs of wear
- Model: Speedmaster
- Year Origin: 1999/Japan
- Movement: 3220 Automatic Movement
![[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $7,895](https://preview.redd.it/jimp6gyjnskf1.jpg?width=640&crop=smart&auto=webp&s=e28bd0b60815ba85d1570722e827f957d66956f6)
Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $7,895
A Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8 edition, a 2019 model sold in full set with various accessories.
- Condition: Excellent condition
- Year: 2019
- Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
![[WTS] Brand New August 2025 Omega Speedmaster Sapphire Complete Set *$6,750 + label*](https://preview.redd.it/ctsqgipo5skf1.jpg?width=640&crop=smart&auto=webp&s=40e6c5d5ca6351c35378f359ce34a77284b31e4a)
Brand New August 2025 Omega Speedmaster Sapphire Complete Set *$6,750 + label*
The Omega Speedmaster Sapphire Complete Set is a brand new, unworn watch available for sale. The watch features a sandwich design with sapphire crystal and includes various accessories such as travel case, literature, and cleaning cloth.
- Condition: Mint, unworn, and unsized
- Year: 2025
- Contents: Travel case, Speedy literature, cleaning cloth, all cards and hang tag
![[WTS] Omega Speedmaster First Omega in Space FOIS 311.32.40.30.01.001 $4,400](https://preview.redd.it/jqv42iougrkf1.jpg?width=640&crop=smart&auto=webp&s=eeca4a9786aaffc1cdb0a9d724a0ae33b52f4906)
Omega Speedmaster First Omega in Space FOIS 311.32.40.30.01.001 $4,400
The Omega Speedmaster First Omega in Space is a numbered homage to the CK2998, powered by the Lemania base workhorse Calibre 1861. It features a 39.7mm case and comes with box and papers.
- Condition: Preowned - Good
- Box And Papers: Yes, dated July 2016
- Shipping Cost Included: yes
- Payment Methods: Zelle, Venmo, USDT, Wise
![[WTS] 1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)](https://preview.redd.it/yg7f5h3unokf1.jpeg?auto=webp&s=008e9b4e971d4b2f95df6b7e4ba44a14236f9d97)
1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)
A limited edition Omega Speedmaster 'Gemini V' watch, commemorating the NASA mission with a unique design and original packaging.
- Condition: Excellent
- Case diameter: 42mm
- Bracelet reference: 1499
- Bracelet end pieces: 842
![[WTS] Omega Speedmaster Triple Date Reduced 39mm 3523.80 Blue Dial Chronograph - Great Unpolished Condition! $2795 SHIPPED](https://external-preview.redd.it/Znp6dXlhaTlmb2tmMSQ3E6BLAWZV2BT2NMiyWjw1LIhF8FzTtsuxj54HJwD1.png?format=pjpg&auto=webp&s=c4478c957f3c50aec0b9b93ef77acc5c4b85e5c9)
Omega Speedmaster Triple Date Reduced 39mm 3523.80 Blue Dial Chronograph - Great Unpolished Condition! $2795 SHIPPED
A striking Omega Speedmaster Triple Date with a 39mm case and blue dial, featuring three sub-dials for high legibility.
- Condition: Good, unpolished
- Case size: 39mm diameter
- Movement type: Automatic
- Bracelet material: Stainless Steel
![[WTS] 2025 Omega Silver Snoopy Speedmaster](https://preview.redd.it/r7nqcqlatnkf1.jpg?width=640&crop=smart&auto=webp&s=3c696e201153db038eb8b05ac6b0e122d59e88c1)
2025 Omega Silver Snoopy Speedmaster
This is a 2025 Omega Silver Snoopy Speedmaster, a limited edition watch that comes in excellent condition with additional accessories.
- Condition: excellent condition with minimal to no visible signs of wear
- Case protection: professional aftermarket stickers applied for protection
![[WTS] Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Reduced ‼️🐼](https://preview.redd.it/oilwdwbijnkf1.jpg?width=640&crop=smart&auto=webp&s=c5748e786537b3af4fe7e1287e7bc1f0e025ee19)
Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Reduced ‼️🐼
The Omega Speedmaster CK2998 Limited Edition 'Blue Panda' is a striking modern Speedmaster released by Omega. It features a manual winding OMEGA calibre 1861 and a unique 'lollipop' chronograph seconds hand reminiscent of the original CK2998 model.
- Condition: Pre-owned, excellent condition
- Case material: stainless steel
- Case size: 40mm diameter
- Movement: Manual winding OMEGA calibre 1861
![[WTS] Omega Speedmaster Schumacher Legend Edition - 42mm Red Dial - 3506.61 - Reduced!](https://preview.redd.it/rv7g9382jnkf1.jpg?width=640&crop=smart&auto=webp&s=599303bc4145a664133c991e4e9e8ab5f77ba4dc)
Omega Speedmaster Schumacher Legend Edition - 42mm Red Dial - 3506.61 - Reduced!
This Omega Speedmaster Legend Red Schumacher LE is a part of Omega's 'Legend Collection' designed to celebrate the brand partnership with F1 driver Michael Schumacher. It comes in 42mm size, making it suitable for anyone.
- Condition: Preowned with very light scratches and small dings on bezel
- Case Size: 42mm
- Wrist Fit: 7inch