The 5270G-001 was Patek’s first in-house perpetual calendar chronograph. It was discontinued in late 2013 in favour of the -013. This reference used distinct black gold indexes and did not feature a tachymeter scale.


The 5270G-001 was Patek’s first in-house perpetual calendar chronograph. It was discontinued in late 2013 in favour of the -013. This reference used distinct black gold indexes and did not feature a tachymeter scale.
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