Hamilton American Classic Intra-Matic Auto Chrono

The Hamilton American Classic Intra-Matic Auto Chrono, reference H38446730, is a chronograph with a 40 mm steel case and black PVD coating. A sapphire crystal covers the black dial with its date display and tachymeter scale. The case is water resistant to 100 metres, measuring 14.45 mm thick by 49 mm from lug to lug, with a screw-down crown and 20 mm lugs on a perforated calfskin strap with a pin buckle. Self-winding calibre H-31 runs with a Nivachron balance spring and a 60-hour power reserve.