T3 Tudor Heritage Black Bay. Reference 79230N. Watch measures 41mm and is made from steel. Automatic Tudor in-house movement caliber MT5602 which provides for 70 hours of power reserve and is COSC certified. Sapphire crystal on the front and a closed case back. Waterproof 20ATM or 200 meters. Functions are hours, minutes and sweep seconds. This watch is fitted with the original black leather strap with steel folding clasp with security link. An extra (aftermarket B&S) NATO strap is catered in the box. Naturally this watch is complete with the original box and papers dated July 2018. Please be aware that this watch has been polished and is in mint condition. A great classic already! SOLD