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 Dark Side Of The Moon (DSOM) - ref. 310.92.44.50.01.001 $12,000 plus shipping label](https://preview.redd.it/qvggvvxfufxg1.jpg?width=640&crop=smart&auto=webp&s=63f98235725f2f3eab240c1b3e7b04a6681f6a2d)
Omega Speedmaster Dark Side Of The Moon (DSOM) - ref. 310.92.44.50.01.001 $12,000 plus shipping label
This Omega Speedmaster Dark Side Of The Moon (DSOM) is in excellent condition, with minimal wear. It comes with a full set of accessories and includes a warranty card.
- Condition: Like new
- Box and papers: true
![[WTS] Rare Vintage Omega Speedmaster Teutonic Ghost Gray Dial Bead Blasted Case Ref 145.0044 - German Market Exclusive](https://preview.redd.it/72ase0fgsfxg1.jpg?width=640&crop=smart&auto=webp&s=1ad76d4b08e73241b80b2f92ca941e24d36490c0)
Rare Vintage Omega Speedmaster Teutonic Ghost Gray Dial Bead Blasted Case Ref 145.0044 - German Market Exclusive
A unique vintage Omega Speedmaster Teutonic ref 145.0040 designed for the German market in the early 1980s, featuring a bead-blasted case and gray dial.
- Condition: Pre-owned, some wear
- Case size: 42mm diameter
- Bracelet length: up to 7.25 inches
- Movement type: Manual wound Omega cal 861
![[WTS] Omega Speedmaster Moonwatch 3861 Hesalite – $3800](https://preview.redd.it/kh3c7xb0udxg1.jpg?width=640&crop=smart&auto=webp&s=68769de59b00aff2824d1a9d37375956037595b8)
Omega Speedmaster Moonwatch 3861 Hesalite – $3800
- Hesalite crystal: present instead of sapphire
![[WTS] 2025 Omega Speedmaster 38 324.23.38.50.02.001 Gold Full Set B&P - $5,995.00](https://preview.redd.it/jxcymr7l2dxg1.jpg?width=640&crop=smart&auto=webp&s=8c3e1bbc801378e330b5340e6c370864a4473c38)
2025 Omega Speedmaster 38 324.23.38.50.02.001 Gold Full Set B&P - $5,995.00
2025 Omega Speedmaster 38 in gold, includes full set and B&P.
- Water resistance: 30m depth rating
![[WTS] Omega Speedmaster Date 3211.31 COMPLETE SET + OEM BRACELET](https://preview.redd.it/ho12osam3dxg1.jpg?width=640&crop=smart&auto=webp&s=aea8d50c6f5da2decfbaa90cd509427db6420dd1)
Omega Speedmaster Date 3211.31 COMPLETE SET + OEM BRACELET
For sale is an Omega Speedmaster Date in amazing condition, complete set including warranty card and original speedmaster bracelet.
- Condition: amazing condition with hardly any wear
- Bracelet type: OEM
- Payment methods accepted: crypto, cash, etc.
- Location: southwest FL
![[WTS] 2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495](https://preview.redd.it/72m5a7j8bcxg1.jpg?width=640&crop=smart&auto=webp&s=8d4afbe452dd5bda30c5ce3cd05aa66b994a1f31)
2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495
A 2021 Omega Speedmaster Racing in excellent condition, featuring a racing design and available as a full set with various accessories.
- Condition: Excellent condition with minimal signs of wear
- Size: 40mm diameter
- Year: 2021
![[WTS] Omega Speedmaster Grey Side of the Moon 311.93.44.51.99.001 Full Set $7,200](https://preview.redd.it/f8ny3uxmacxg1.jpg?width=640&crop=smart&auto=webp&s=6df2e0d60ea28f1ba9721a2a02e40f513d85e573)
Omega Speedmaster Grey Side of the Moon 311.93.44.51.99.001 Full Set $7,200
A modern and highly distinctive take on the Speedmaster line featuring a full grey ceramic case and matching dial.
- Condition: Excellent (pre-owned, minimal wear)
- Case Size: 44.25mm diameter
- Case Material: Grey ceramic
- Movement: Automatic chronograph (Omega Co-Axial Calibre 9300)
![[WTS] Omega Speedmaster Professional White, 2024 $7k](https://preview.redd.it/nsggapos2cxg1.jpg?width=640&crop=smart&auto=webp&s=72d0fda76dc52af7991b5f6497c8f244ba318a93)
Omega Speedmaster Professional White, 2024 $7k
This Omega Speedmaster Professional White is a pre-owned watch with a reference number of 310.30.42.50.04.001, featuring a white color scheme.
- Condition: Preowned
- Shipping Cost: $150 (USA shipping)
- Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
- Warranty Type: 2024 Warranty
![[WTS] (Rare) (Serviced) Omega Speedmaster Reduced Mother of Pearl Dial Watch 39mm 3534.71 $2,400](https://preview.redd.it/qk49af8qybxg1.jpg?width=640&crop=smart&auto=webp&s=772794aafb6a75bd0f5259aef5178719613cdddb)
(Rare) (Serviced) Omega Speedmaster Reduced Mother of Pearl Dial Watch 39mm 3534.71 $2,400
This Omega Speedmaster Reduced features a mother of pearl dial and is 39mm in size.
- Condition: Light scratches from normal use, recently serviced
- Case Size: 39mm