Platinum case with a platinum bracelet. Fixed bezel. Black dial with luminous hands and Roman numeral and index hour markers. Tachymeter scale around the inner ring. Dial Type: Analog. Date display at the 12 o'clock position. Chronograph - sub-dials displaying: two: 30 minutes, 60 seconds sub-dials. A. Lange & Sohne Calibre L951.1 hand wind movement with about 36 hours of power reserve. Scratch resistant sapphire crystal. Case size: 39 mm. Case thickness: 12.8 mm. Round case shape. Deployment clasp. Functions: chronograph, column wheel, flyback, big date, hour, minute, small second, tachymeter. Luxury watch style. Watch label: Made in Germany. Item Variations: 403 435, 403-435, 403/435, 403435. A. Lange Sohne Datograph Flyback Chronograph Mens Watch 403.435.