I’m selling a used vintage Seiko 6106-5529 in a Hexagon shaped stainless-steel case. The case is 37 mm wide at its widest point and 40.50 mm from lug-to-lug. The watch has been cleaned and adjusted. The watch is keeping great time. The day/date feature works perfectly. The watch has a nice blue dial with gold-colored markers, hour, and minute hand. The crystal is in good condition. The watch comes with a genuine new old stock Seiko band that will fit a large wrist. You are buying a used watch, so it does show signs of use. The case back number is 6106-5529. According to the serial number the watch was made in July 1974.