The Sotheby's lot sold for CHF6000 in the link above, admittedly with a black dial. Its worth taking your watch to an auction house to see what they think.
The valuation document shown says there is a serial number on the bracelet - that is actually the case number, not the serial number.
The case has no parts available for it unfortunately.
The movement inside should be a Cal. 711, and the actual serial number of the watch will be on the movement itself, rather than on the case or bracelet.
Cheers, Al