371 . Patek Philippe
A very rare stainless steel wristwatch
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Manufacturer Patek Philippe Year 1955
Reference No . 2509 Movement No . 726 ’ 438 Case No . 672 ’ 034 Model Name Calatrava Material Stainless steel Calibre Mechanical , 12-400 ,
18 jewels Bracelet / Strap Black leather strap Dimensions 34.5 mm . diameter Signed
Case , dial and movement signed
Estimate HKD 160,000-300,000 USD 20,000-38,000
Accessories With Patek Philippe Extract from the Archives confirming production of the present watch in 1955 and its subsequent sale on 27 December 1956 .
Literature For another example of a stainless steel reference 2509 , please see Patek Philippe Steel Watches by John Goldberger , page 200 and 201 .
This stainless steel watch has been kept in very original condition and still retains its dust cover to the movement . Patek Philippe hardly cased their watches in stainless steel , and this reference is incredibly rare and proudly published in John Goldberger ’ s Patek Philippe Steel Watches .
According to our research , less than 20 examples have appeared on the market thus far . The present watch is fresh to the market .