Re: On the GST Perpetual Calendar
Frankly, I'm surprised that anyone would take a chance exposing an expensive timepiece to shocks.
The following e-mail exchange happened recently which explains the risk and damage involved:
Customer:
Just returned from my trip and received the estimate for my IWC GST Perpetual Calendar service... Could you explain to me meaning of "Dial Feet are Broken and one Dial Screw missing"?
Jack:
It seems that your watch was dropped at some point or it received a severe shock causing one dial screw, that normally keeps the dial foot secure to the movement, to fall loose. That in turn caused the dial to shift putting stress on the other thin dial foot and then both feet were sheared off. Since the movement was cased up, with all the multiple hands in place on the dial, it wasn't apparent to you that the internal damage existed.
One more point: While you note that you have many other timepieces in your collection keep in mind that this large IWC perpetual calendar watch is packed with movement parts from edge to edge and therfore the the two "THIN" legs on the very edge of the dial are sensitive to falls and severe shocks.
Regards,
Jack Freedman
P.S. Mountain biking shocks are quite different than shocks received from wild golf swings. The impacts between the two could be vertical vs. horizontal. I would not subject a mechanical watch to neither sport.