Ref. 5905R comes in a rose gold case and sunburst blue dial with concave bezel and hollowed flanks, and is paired with two popular Patek Philippe complications: the flyback chronograph and annual calendar.
Specifications
Case
Shape
Round
Case Back
Sapphire crystal case back
Case Material
Rose gold
Diameter
42 mm
Water Resistance
30 M
Thickness
14.03 MM
Dial
Colour
Sunburst blue
Hour Markers
Gold applied faceted baton-style hour markers
Movement and Functions
Movement
Self-winding mechanical movement
Caliber
CH 28‑520 QA 24H
Functions
Flyback chronograph, central chronograph hand, 60-minute counter, annual calendar, and day, date, month and day/night indication displayed in apertures.