This watch is the Frederique Constant Classics Quartz FC-225ST5B6 model, a Swiss-made timepiece that combines classic design with modern touches. Key specifications of the watch: Dial: Silver-colored with traditional "Clou de Paris" guilloché pattern. Movement: Powered by a Swiss FC-225 quartz movement, with a battery life of up to 25 months. Functions: Displays time (hours, minutes) plus a dual window for day and date at the 3 o'clock position. Case: Made of polished stainless steel with a diameter of 40 mm and a thickness of 10 mm. Glass: Scratch-resistant convex sapphire crystal. Strap: Black genuine leather with a pin buckle. Water resistance: Up to 50 meters (5 bar), making it resistant to splashes and daily use.