97975

Thomas Emery is much less well-known than legendary collectors James Ward Packard and Henry Graves Jr . However, he was also a great collector , as evidenced by the two pieces below: Patek Philippe ’s — and the world ’s — first perpetual calendar wristwat

Any chance that extra gold hand is Equation of Time Marchante? It's not mounted on the smallest pivot like a sweep second usually is, and the Watch is a perpetual calendar, which is a prerequisite for equation of time, but I can't find anything reliable t

Maybe if we look far back enough. The Patek 97975 had all the dates around the dial, each number in Red. This is the first perpetual calendar wristwatch in 1925. This precedes the 1518 by 15 years. Surely that's vintage of vintages ? I deem that is signif

Vintage Patek references up until the 3970/3940 boasted a very rich enamel moonphase with handcrafted accompanying gold stars and moon disc. For reference, slide 2 of this post shows a 2499 moonphase and slide 1 is of a 3970 moonphase. The enamel moonphas