Patek Philippe Chronograph 5172G

Patek Philippe Chronograph 5172G

Case
Diameter29.6mm
Height11.45mm
MaterialWhite Gold
PushersGuilloched
Case backSapphire Crystal
Winding CrownScrew-down; Triplelock triple waterproofness system
CrystalSapphire Crystal case back
Waterproofness30 metres (98.4 feet)
Movement
CalibreCaliber CH 29-535 PS
Manual Winding
Precision-2/+2 sec./day, after casing
FunctionsHour, minute and small seconds hands
Instantaneous 30-minute counter
Chronograph hand
Pulsimeter scale
OscillatorFrequency: 28,800 beats/hour (4Hz)
Balance: Gyromax®
Balance spring: Breguet
Patek Philippe Seal
Jewelling33 rubies
Power ReserveWith Chronograph disengaged: Min. 65 hours
Dial
ColourBlue varnished,
Hour MarkersGold applied numerals with luminescent coating
HandsWhite gold leaf-shaped hands with luminescent coating
Bracelet
TypeStrap
MaterialCalfskin, hand-stitched, navy blue
ClaspFold-over clasp

Featured image ©Patek Philippe