Perrelet A1053/A Seacraft 777 Chronograph A1053A, A1053 A, stainless steel on stainless steel bracelet, automatic Perrelet caliber P-261, date at 3 o'clock, black dial with applied luminous markers, sapphire crystal, uni-directional rotating bezel, engraved caseback, comes with additional canvas strap, strap change tool & Perrelet double deployant buckle, water resistant up to 777 meters, diameter: 45mm, thickness: 17.5mm, Like new with original box and papers, which are undated.