The Ref. 5740/1G-001 Nautilus Perpetual Calendar is the first Grand Complication in the nautilus family, and also Patek Philippe's thinnest perpetual calendar. It provides a distinctive fusion of sporting appeal and technical complexity. The casing is remarkably slim (8.42 mm) and water resistant to 60 m thanks to the renowned ultra-thin self-winding caliber 240 Q movement.
Specifications
Case
Shape
Rounded Octagon
Case Material
White gold
Diameter
40 mm (10-4 o’clock)
Water Resistance
60 m
Thickness
8.42 mm
Dial
Colour
Blue sunburst dial
Hour Markers
Gold applied hour markers with luminescent coating
Movement and Functions
Movement
Ultra-thin mechanical self-winding movement
Caliber
Caliber 240 Q
Functions
Day, date, month, leap year and 24-hour indication by hands
Strap
Material
White gold
Buckle
Patented fold-over clasp with lockable adjustment system