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

2012 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers
The Omega Speedmaster Reduced Automatic is a great entry into Omega, featuring a scratch-resistant sapphire crystal and fold-over clasp. This super luminova example is in excellent pre-owned condition with no major flaws to note.
- Condition: Excellent
- Movement: Automatic
- Case width: 39mm diameter
- Strap length: 7.50"

Omega SPEEDMASTER SILVER SNOOPY AWARD 50TH ANNIVERSARY EXTRA 3861 BRACELET 2025
This 2025 Omega Speedmaster Professional Moonwatch is a 50th Anniversary Silver Snoopy Award model with a silver dial and blue subdials. It comes with a stainless steel case on a new blue fabric strap and a steel tang buckle.
- Condition: Mint, Unpolished Condition
- Case Size: 42mm
- Bracelet Type: Omega 3861 Speedmaster PCL Bracelet (extra)
- Warranty Left: Under 5 years factory warranty
2023 Omega Speedmaster 31030425001001 � Box + Papers + extra Nato
The Omega Speedmaster reference 31030425001001 is an iconic timepiece that balances heritage and sophistication. Its classic black dial exudes confidence and beauty, paired with a sleek stainless steel bracelet for versatility.
- Condition: Attractive condition with light signs of wear, as expected from a watch worn a handful of times
- Case Size: 42mm diameter
- Movement Type: Original Omega Automatic movement
- Bracelet Fit: 7.9 inch wrist

2020 Omega Speedmaster Ref: 522.30.42.30.03.001 Tokyo 2020 Olympics with B+P
2020 Omega Speedmaster Ref: 522.30.42.30.03.001, a limited edition watch from the Tokyo 2020 Olympics collection.
- Condition: Excellent
- Case size: 42mm
- Limited edition number: 16X/2020

1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers
This 1999 Omega Speedmaster Broad Arrow features a 42mm case with an excellent stainless steel bezel and black chronograph dial, along with Luminova stick markers and broad arrow hands.
- Condition: Excellent
- Case size: 42mm
- Bracelet links: 15
- End links: 840

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 B+P (Factory Modded Dial)
The watch is a 2020 Omega Speedmaster First Omega In Space 'FOIS' model with a factory-modded dial, featuring a 40mm case and black tachymeter bezel.
- Condition: Excellent
- Case size: 40mm diameter
- Bezel type: black tachymeter bezel
- Dial type: black chronograph dial with applied logo

2019 Omega Speedmaster First Omega In Space "FOIS" Ref: 311.32.40.30.01.001
2019 Omega Speedmaster First Omega In Space 'FOIS' with a 40mm case, black tachymeter bezel, and black chronograph dial.
- Condition: Excellent with some wear from use
- Case size: 40mm diameter
- Bracelet type: factory Omega 19mm 1564/975
Omega 310.32.42.50.02.001 Speedmaster 50th Anniversary Snoopy Watch
This is a Speedmaster Professional Moonwatch Apollo 13 50th Anniversary Snoopy Watch, a special edition of the iconic Speedmaster series.
- Serial numbers: available upon request

>>ReDuCeD FuRtHeR<< VINTAGE OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69
A pre-moon Omega Speedmaster Professional reference 145.022-69ST featuring Omega calibre 861 and a 29 million serial from 1970. The watch has a good vintage condition with a UNPOLISHED case and sharp bevels.
- Condition: Good vintage condition, UNPOLISHED case
- Movement: Omega calibre 861
- Case size: 42 mm in diameter
- Caseback: Hippocampus caseback