Patek Philippe Annual Calendar Chronograph Complications Watch - 5905P-001 Gray grey dial with a silk-like

grey dial with a silk-like pattern and an opaline finish

18K white gold fluted bezel set with 44 diamonds

blue external zone

featuring a screw-down back and crown with a triplock triple waterproofness system

Patek Philippe Annual Calendar Chronograph Complications Watch - 5905P-001 Gray grey dial with a silk-like42 mm platinum case, sapphire crystal back, blue sunburst dial with gold applied hour markers, caliber CH 28 520 QA 24H self winding movement with Annual Calendar and Chronograph (sweep seconds hand (chronograph hand) and 60 minute counter, day, date, month in apertures, day night indication), approximately 45 55 hours of power reserve, matt navy blue alligator strap with square scales, prong buckle. Water resistant to 30 m.