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Patek Philippe

Caliber 240 was first used in 1977 in the Golden Ellipse ref 3738.

 

The movement was developed in the Quartz revolution of the 1970’s to compete with quartz watches. Patek was striving to make a mechanical watch as reliable and accurate as a quartz watch. Ref 3970 houses the 240 movement and was the watch that saved Patek. As a result The 3970 was Philip Stern’s daily wearer.

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