18k rose gold case with a brown alligator leather strap. Fixed bezel. Silver dial with rose gold-tone hands and index hour markers. Tachymeter scale appears around the outer rim. Dial Type: Analog. Perpetual calendar. Chronograph - sub-dials displaying: four- 60 seconds( day), month(30 minutes) leap year, power reserve sub-dial. Hand wind movement. Scratch resistant sapphire crystal. Case diameter: 41 mm. Case thickness: 13.5 mm. Round case shape. Functions: chronograph, perpetual calendar, hour, minute, second, moonphase. Luxury watch style. Watch label: Made in Germany. A. Lange and Sohne Datograph Perpetual Silver Dial 18K Rose Gold Mens Watch 410.032.