or "Oh, this old thing? It's just my IWC platinum perpetual calendar grand complication with blah blah blah, etc etc" Speaking as one who now has 5-6 IWCs and owned at least a dozen before, I'm torn. It would be easier to just say, "It's a Patek"
Truly a very special piece! Thanks for sharing. Minute repeater is really slow on this one - the examples I've heard took 25-27 seconds to do the 12:59 chiming sequence!