Patek Philippe Nautilus 40 mm Steel Nautilus Travel Time Chronograph Blue Dial 5990/1A-011

Reference: 5990/1A-011Movement: Self-winding movement with flyback chronograph, a Travel Time function and date at 12 o’clockJewels: 34Caliber: CH 28-520 C FUSCase: Stainless steel case. 40.5mm in diameter.Bezel: Stainless steelCrystal: Sapphire crystal and casebackDial: Sunburst blue with black-gradient rim, horizontally embossed, gold applied hour markers with luminescent coatingBracelet: Stainless steel with patented fold-over clasp with lockable adjustment system