Omega Speedmaster Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Silver / Strap
Reference 3875.30.31
About this watch
The Omega Speedmaster Professional Moonphase Broad Arrow (model 3875.30.31) is a luxury watch that embodies precision, quality, and timeless design. This piece of history is part of the legendary 'Moonwatch' series, which was first worn on the moon during the Apollo missions. The 3875.30.31 model features the Omega caliber 1866 movement, a handwound chronograph movement that showcases exceptional engineering and precision. The watch's combination of white gold and stainless steel gives it a luxurious yet durable feel, while its sapphire glass provides scratch resistance for daily wearers. With a diameter of 42 mm and a lug width of 20 mm, this watch sits comfortably on the wrist, offering a classic look that complements both formal and casual attire. One of the standout features is its moonphase display at the 12 o'clock position, serving as a functional complication that appeals to enthusiasts who appreciate celestial aspects of watchmaking. The chronograph function allows for precise timing, making it practical and fun to use. The Omega Speedmaster Professional Moonphase is water-resistant up to 50 meters, suitable for everyday activities but not recommended for swimming or diving. This model comes with a sturdy strap that ensures a secure fit on the wrist, complementing its overall aesthetic and offering adjustability for different wrist sizes. At a reasonable weight, the 3875.30.31 feels substantial without being cumbersome, striking a perfect balance suitable for both all-day wear and special occasions.
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Key Features
- Handwound chronograph movement (Caliber 1866)
- Moonphase display at 12 o'clock position
- Tachymeter bezel
- Sapphire glass
- Water-resistant up to 50 meters
- Sturdy strap with adjustability
- Reasonable weight and balance
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Silver / Strap
- Reference
- 3875.30.31
- Movement
- 1866
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Moonphase
- Case
- 42mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
Omega Speedmaster - Grey Side of the Moon 311.93.44.51.99.001
This Omega Speedmaster Grey Side of the Moon features a leather strap with buckle and is in excellent condition, showing no flaws in its ceramic finish.
- Condition: Excellent
- Material: Ceramic
- Straps: Leather (alligator), Buckle
![[WTS] Omega Speedmaster Racing Chronograph “Schumacher” Ref. 3810.61 – $2,499 Shipped](https://preview.redd.it/t6tn6q6a7q5f1.jpg?width=640&crop=smart&auto=webp&s=4ebade2b7531951691e21c7346394b0dcdfb6fbb)
![[WTS] Reduced/ Reposted - $4,500 OBO - Omega Speedmaster Moonwatch Professional Hesalite](https://preview.redd.it/0wf6k7a00l5f1.jpg?width=640&crop=smart&auto=webp&s=bacf9ecb5fb657ff1aa83c035a5d5c7b10cd9a58)
Reduced/ Reposted - $4,500 OBO - Omega Speedmaster Moonwatch Professional Hesalite
This Omega Speedmaster Moonwatch Professional features a Hesalite crystal and is part of the 310 series.
- Condition: Like new, worn infrequently
- Year purchased: 2025
- Included items: inner/outer box, JOMASHOP warranty card, pictogram card, master chronometer card, hang tag, manual
![[WTS] Omega Speedmaster. Automatic. Gorgeous Lume. Ceramic bezel. 38mm. OEM strap + Deployant Clasp.](https://preview.redd.it/3nhha47ftj5f1.jpeg?auto=webp&s=8a19a25832be4afb03dc35cf013cae838f104229)
Omega Speedmaster. Automatic. Gorgeous Lume. Ceramic bezel. 38mm. OEM strap + Deployant Clasp.
A 38mm Omega Speedmaster with automatic movement, fire dial, and lume. It features a ceramic bezel, OEM strap, and deployant clasp.
- Case size: 38mm diameter
- Movement type: Automatic
![[WTS] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set](https://external-preview.redd.it/YmpqdnRxNmlzajVmMRh51aARuDQK0G-ueYfft6o5364QmO02SMX3yyQIqtg0.png?format=pjpg&auto=webp&s=cbd10d85cfba7ba42b1683c37a6c63300f337d39)
Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set
The Omega Speedmaster Chronoscope features a white Panda dial with distinctive timing scales in a 1940's 'snail' design.
- Condition: Exceptional, mint condition with slight marks on the clasp
- Case size: 43mm diameter
- Set includes: outer box, inner box, operating instruction manual, hang tag, original sticker, pictogram, master chronometer, warranty card (dated 4-2023)
- Condition of packaging: The original white pillow has been replaced with a black pillow
![[WTS] Omega Speedmaster Moonwatch 310.20.42.50.99.001 – Steel & Sedna Gold – Full Set – $15,895 Shipped](https://preview.redd.it/cejibypqbj5f1.jpg?width=640&crop=smart&auto=webp&s=0a02045cdb30bb4270d42d5806711826c0ef0b2c)
Omega Speedmaster Moonwatch 310.20.42.50.99.001 – Steel & Sedna Gold – Full Set – $15,895 Shipped
The Omega Speedmaster Moonwatch is a premium bi-metal watch pairing stainless steel with Sedna Gold, featuring a brushed Sedna Gold PVD dial and black subdials.
- Condition: Very Good Condition
- Case diameter: 42mm
- Water resistance: 50m
- Movement type: Manual-wind Caliber 3861