33 mm three-body 18ct pink gold case with a flat bezel like the calatrava model and with square buttons
Cal. 13''' with 23 jewels and 8 adjustments, Breguet balance spring and micrometer regulator
silvered with applied pink gold indexes, Roman numerals and with the signature of the Italian retailer
chronograpph with tachometer
Condition: very fine original condition
Description: The production of this rare reference 533 started in 1937.