Sinn 104 I ST SA White

The Sinn 104 St Sa I W is a classic German pilot's watch that combines Sinn's unmistakable instrument-inspired design with exceptional everyday versatility. Manufactured in Frankfurt, Germany, the 104 takes inspiration from traditional aviation timepieces, emphasizing legibility, durability, and practical functionality over unnecessary decoration. Its 41mm polished stainless steel case measures just 11.9mm thick, offering a comfortable and balanced wrist presence. The defining feature of this particular variation is its brilliant glossy white dial, which provides a striking contrast against the black applied hour markers, luminous hands, and bold black day-date display positioned at 3 o'clock. Surrounding the dial is Sinn's signature bidirectional pilot's bezel, featuring a 60-minute scale, luminous triangle at 12 o'clock, and a distinctive captive construction designed to prevent the bezel from detaching under impact. A scratch-resistant sapphire crystal with anti-reflective treatment, screw-down crown, sapphire exhibition caseback, and impressive 200 meters of water resistance give the watch genuine tool-watch credentials while maintaining a refined appearance suitable for everyday wear.

Inside is the Swiss-made Sellita SW220-1 automatic movement, a reliable 26-jewel caliber operating at 28,800 vibrations per hour and providing approximately 38 hours of power reserve. The movement features central hours, minutes, and seconds, along with a quickset day-date complication, hacking seconds, and manual winding functionality. Visible through the sapphire exhibition caseback, the movement reinforces Sinn's commitment to practical mechanical watchmaking. Founded in 1961 by former pilot and flight instructor Helmut Sinn, the German manufacturer originally specialized in navigation clocks and aviation chronographs, developing a reputation for producing highly functional watches for professional use. The 104 collection carries that philosophy into a more versatile three-hand format, combining the clean readability of a traditional pilot's instrument with the rugged construction expected from a modern sports watch. With its striking white dial, polished stainless steel case, captive rotating bezel, Swiss automatic movement, and substantial water resistance, the 104 St Sa I W offers a compelling combination of German engineering, aviation heritage, and understated everyday style.

Reference: 104

Dated: 2023

Bracelet: H-Link Stainless Steel Bracelet

Case: 41mm x 11.9mm Thickness x 47.5mm lug to lug - Stainless Steel

Lug Width: 20mm

Movement: Sellita SW 220-1 - Automatic

Functions: Hours, Minutes, Second, Day-Date

Box and Papers: Inner/outer boxes, and warranty card

Crystal: Sapphire

Bracelet size: 7.5”

Case has little to no wear. Bracelet has minimal light micro wear. Dial, hands, and crystal have no wear.

Founded in 1961 by Helmut Sinn, a former World War II pilot and blind flight instructor, Sinn Watch Company quickly gained recognition for its aviation-inspired timepieces. Specializing in navigation clocks and pilot chronographs, Sinn's reputation for precision and durability was cemented during the 1980s and 1990s when their watches accompanied German astronauts on several space missions. These accomplishments demonstrated the brand's commitment to creating reliable timepieces capable of withstanding extreme conditions.

A new era began in 1994 when certified engineer Lothar Schmidt acquired the company, introducing significant technological advancements. Under Schmidt's leadership, Sinn pioneered innovations such as Ar-Dehumidifying Technology, DIAPAL lubrication-free escapements, and TEGIMENT hardened steel cases. Today, Sinn remains at the forefront of horological innovation, producing high-quality timepieces that blend traditional craftsmanship with cutting-edge technology. The brand's dedication to excellence and continuous improvement ensures its lasting legacy in the world of high-end watchmaking.