Chronograph (103)

The Sinn Chronograph 103 stands out because it combines classic pilot watch styling with strong German engineering. It offers excellent legibility, reliable chronograph performance, and a tough construction for everyday use. Its timeless design and proven durability make it a favorite among watch enthusiasts.

The Sinn Chronograph 103 has a clean and sporty design that is easy to read. Its black dial features bright white markers, bold hands, and three chronograph subdials that create a balanced layout. The stainless steel case feels solid and well made, while the polished and brushed finishes add a premium look. Depending on the version, the watch uses either acrylic or sapphire crystal, both offering their own appeal. The stainless steel bracelet is comfortable, durable, and matches the tool-watch style perfectly.

The Sinn Chronograph 103 uses a reliable automatic chronograph movement. Most modern versions are powered by the Sellita SW510 or the Valjoux 7750, depending on the production year. The movement beats at 28,800 vibrations per hour and offers around 48 hours of power reserve. It provides accurate timekeeping and smooth chronograph operation. The movement is also known for its durability, making it a dependable choice for daily wear.

The Sinn Chronograph 103 has been part of Sinn's collection since the late 1960s. It was inspired by classic pilot's chronographs that focused on clear readability and reliable performance. Over the years, Sinn has updated the model with improved materials, modern movements, and new features while keeping its original design. Today, the 103 remains one of the brand's most iconic watches because it combines aviation heritage, strong build quality, and timeless style.

The stainless steel case remains in very good vintage condition with well-defined lugs and a balanced profile. The polished bezel shows light signs of wear consistent with careful use. The acrylic crystal has light surface marks but remains clear, allowing an excellent view of the dial. The screw-down case back appears clean with normal wear for its age

What do the different grading scores mean?

• BN 9.9: Brand new and unworn, with no signs of use.
• UN 9.5: Like new and unworn, but may lack original packaging or materials such as the box, links, tags, or bezel protector.
• LN 9.0: Like new and unworn, but only includes the watch without papers, box, or accessories.
• MT 8.5: Mint condition, lightly used with minor surface scratches or wear. Unpolished.
• VG 8.0: Moderately used, with scratches and one or two nicks on the case or crystal. Shows signs of polishing. The bracelet remains snug with minimal wear.
• GD 7.5: Shows signs of daily wear but is not abused, with noticeable polishing on the case. The bracelet shows clear signs of daily wear.

Watches with a rating below GD 7.5 are not listed for bidding to ensure that only high-quality timepieces are available to our members.