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 3513.50](https://preview.redd.it/bacmxn4m9jaf1.jpeg?auto=webp&s=dacb25cf338f2d2d7111682101588f3a7187bc05)
Omega Speedmaster 3513.50
Omega Speedmaster 3513.50 in 39mm case, 7 inch bracelet, with AR spot that can be easily fixed by reapplying AR coating.
- Condition: pre-owned with issues (running slow, polished)
- Bracelet length: 7 inches
- Case size: 39mm
![[WTS] Omega Speedmaster Dark Side of the Moon DSOTM Black Ceramic Co-Axial 9300 Ref - 311.92.44.51.01.007](https://preview.redd.it/ir345199yiaf1.jpg?width=640&crop=smart&auto=webp&s=fccc1b3f8881c63bf1afa47dc1cceff0f3e53cbc)
Omega Speedmaster Dark Side of the Moon DSOTM Black Ceramic Co-Axial 9300 Ref - 311.92.44.51.01.007
The Omega Speedmaster Dark Side of the Moon has a ceramic case and stealthy look, making it an iconic watch in its own right.
- Straps: custom Aaron Bespoke strap,Omega Nato strap
- Box And Papers: black outer box,Dark Side of the Moon inner box,undated warranty card,operation manual,silk pouch
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)
This Omega Speedmaster Moonwatch Professional Sapphire on Bracelet features a 42mm stainless steel case and is powered by the Omega Master Chronometer movement.
- Condition: Excellent
- Case size: 42mm diameter
- Movement type: Omega Master Chronometer
![[WTS] 6/25 Omega Speedmaster Sapphire Sandwich Complete Set *$6,350 + label*](https://preview.redd.it/5idi21nygiaf1.jpg?width=640&crop=smart&auto=webp&s=0f652fd492dde99b20b494b2de3bf2520a864c2b)
6/25 Omega Speedmaster Sapphire Sandwich Complete Set *$6,350 + label*
This is a Speedmaster Sapphire sandwich Complete Set from 06/2025, which includes all cards and hang tag, travel case, literature, and cleaning cloth.
- Condition: Great condition
- Year: 06/2025
- Contents: All cards, hang tag, travel case, literature, and cleaning cloth included
Omega Speedmaster Moonwatch Apollo 8 DSOTM 311.92.44.30.01.001 B&P
This Omega Speedmaster Moonwatch Apollo 8 DSOTM is a limited edition model featuring a unique design inspired by the Dark Side of the Moon. The watch is in excellent condition and comes with its original box, papers, and accessories.
- Condition: excellent
- Material: stainless steel
- Movement: co-axial chronograph movement
Omega SpeedMaster 3861 MoonWatch 310.30.42.50.04.001 White Dial Sapphire BP
This Omega SpeedMaster 3861 Moon Watch features a white dial and sapphire sandwich crystal on a stainless steel bracelet, accompanied by its original box, papers, and cards.
- Condition: Excellent
- Bracelet material: Stainless Steel
Omega Speedmaster CK2998 Blue SS Bracelet / Leather 311.33.40.30.02.001 B&P
A pre-owned Omega Speedmaster CK2998 Blue Panda model, featuring a stainless steel bracelet and leather strap, available for sale with its original box, papers, and accessories.
- Condition: Excellent
- Bracelet material: Stainless Steel
- Strap material: Leather
- Buckle type: Tang Buckle
Omega Speedmaster MK40, 352053 or 382053 39mm 1999
This Omega Speedmaster MK40 39mm is a sought-after piece among enthusiasts due to its discontinued status. It has been in the seller's care for several years and never required servicing.
- Condition: Minimal signs of use, working well
- Year Of Production: 1999
- Movement Complexity: intricate calibers
- Recommended Maintenance: cleaning and oiling
![[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 2009 Omega Speedmaster Alaska Project watch, a nearly complete set with perfect mechanical function, available in excellent condition.
- Condition: Excellent condition
- Case size: 42mm diameter
- Strap type: OEM velcro strap, original bracelet included