Girrard Perregaux, Power Reserve ref 4900, 90', N.O.S. Movement and functions self-winding | GP caliber 2240 | 21 jewels | 45 hours power reserve | 28.800 A/h | hours | minutes | central second | date | power reserve indicator Case stainless steel/18 ct. gold bezel | Ø 38 mm | thickness 9,5 mm | sapphire crystal | snap back | water resistant up to 30 m Dial silvered dial with guilloche | Romanic numerals | blued Breguet hands Features original box, leather strap and buckle. Case, dial and movement signed