With Patek Philippe Extract from the Archives confirming production of the present watch in 1956 and its subsequent sale on 20 January 1958.
The large Calatrava model reference 570 was introduced to the market in 1938, featuring either subsidiary or sweep centre seconds, the latter with calibre 12 SC or 27 SC. It was made in stainless steel, stainless steel and gold, yellow, pink gold, white gold and platinum.
The present watch, fitted with calibre 27 SC, is particularly rare as it is cased in platinum. To date, only six examples of this centre seconds version in platinum have been offered at auction. Fresh to the market, it is furthermore preserved in very good overall condition.
Not only the original and unrestored dial has taken a very warm color, but the watch also impresses with its crisp case and the remarkably well defined bezel and lugs. Its simplicity, elegance in the design, together with the rarity of the case material and the large diameter, renders it one of the most exclusive vintage time only wristwatches from the Patek Philippe production.
Other examples of reference 570 are described and illustrated in Patek Philippe Museum Patek Philippe Watches , Volume II, pp. 331-335