Oyster Perpetual Date 1500 Caliber 1570 (with hacking function, no quickset date) The serial number starts from 5.5 (manufactured between 1978-1979). Original tritium luminous hands and markers. Accuracy, winding, and screw-down crown function without issues. Hard bracelet with 11 links, no stretch. Approximately 16cm in length. No warranty card included. (The original owner did not send in the warranty card at the time of purchase.) Box, calendar, and warranty card request card are rare. This is a permanent collection piece, so please consider it if you understand and are interested in antiques. I have tried my best to enlarge and photograph the scratches and stains. Please refer to the photos.