Our visitor Hertie kindly permitted me to show his pictures of this great 1972 design watch, which is a well sought-after gem made by Ulysse Nardin. Hertie's pics are marvelous, and show all detilas of this timepiece! Case dimensions: ca. 36 x 31mm, weigh...
... and Zenith was but one of the brands experimenting with the 36,000 A/h frequency. The dogma was: the quicker, the more accurate, but the problems with lubricants being centrifuged away from the arbors and pallets at this speed brought most manufacture...
... last time I noticed one being sold at Ebay, it went for 1,500 Euros. The condition was worse than the piece shown by Hertie above. However, today, a similar case construction would cost a substantial sum, and for the 4,500 Euros, such a watch would be...