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 - Sedna Gold FOIS - 311.63.40.30.02.001 ( excellent )
This Omega Speedmaster Moonwatch First Omega In Space ( FOIS ) Numbered Edition is a Sedna Gold 39.7mm Panda Dial on Leather Strap, complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated March 2019.
- Condition: excellent condition
- Case Size: 39.7mm
- Calibre: Omega 1861
- Movement Type: mechanical

2024 Omega Speedmaster 44.25mm 311.92.44.51.01.006 Dark Side of the Moon
The Omega Speedmaster Dark Side of the Moon is a ceramic black dial watch with a 44.25mm case size, featuring an adjustable leather strap and foldover clasp.
- Condition: Excellent overall condition
- Case Size: 44.25mm

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )
Up for sale is an excellent condition Omega Speedmaster Moonwatch Professional White Dial Sapphire on Bracelet, reference # 310.30.42.50.04.001 It comes with all boxes, papers, booklets, and Omega Warranty Card dated August 2024.
- Condition: Excellent
- Case Size: 42mm
- Material: Stainless Steel

Omega Speedmaster Racing - 44.25mm - Orange - 329.32.44.51.01.001 (excellent)
A black and orange dial Omega Speedmaster Racing in excellent condition, complete with all original boxes, papers, and warranty card.
- Condition: Excellent
- Case Size: 44.25mm
- Movement Type: Master Co-Axial 9900 Chronometer

Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001
This Omega Speedmaster Professional Moonwatch comes in excellent condition and includes various accessories such as boxes, book, velcro strap, nato strap, and warranty card.
- Condition: Excellent condition
- Shipping: yes

Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001
A 2020 Omega Speedmaster Professional edition, featuring a distinctive design and high-quality materials. This watch comes with its original boxes and books, but note that the warranty card is missing.
- Condition: Excellent condition
- Boxes: 1
- Books: 1
�Reduced Price� OMEGA Speedmaster Racing 329.32.44.51.06.001
The OMEGA Speedmaster Racing features a striking design with a bold black dial and orange accents, built for the discerning watch enthusiast.
- Condition: Excellent, lightly worn
- Movement: Caliber 9900 Certified chronometer
- Case size: 44.25mm diameter
- Water resistance: 50m depth rating

NEW Omega Apollo 8 Speedmaster Dark Side of the Moon Rocket Second Hand 2024
A new Omega Speedmaster Apollo 8 Dark Side of the Moon, featuring a 44.25mm ceramic case and manual winding caliber 3869 with skeletonised movement.
- Condition: Brand New
- Case material: ceramic
- Case size: 44.25mm diameter
Omega Speedmaster Moonwatch - 310.30.42.50.04.001 - White - Steel - 42mm - LNIB
Omega Speedmaster Moonwatch 'Professional' in white, stainless steel case with manual winding movement.
- Condition: Pre-Owned Like New
- Case size: 42mm
- Bracelet type: Stainless Steel
- Dial color: White