The 5270G-001 was Patek's inaugural in-house perpetual calendar chronograph. Retired in late 2013 to make way for the -013 version, it was characterized by black gold indexes and the absence of a tachymeter.
Movement Type
Manual Chronograph
Caliber
CH 29-535 PS QJewels
33
Reserve
65
Frequency
28800
Hands
Small Seconds
Shape
Round
Material
White Gold
Glass
Sapphire
Diameter
41.00 mm
Water Resistance
30.00 m
Dial Color
Silver
