Citizen 3630-360621 K Tachometer Dial Quartz Black Dial 35mm Rare Model Men’s wa
This is a Citizen quartz watch from the 1980s. The inner circumference of the watch is free size. The case is 38.2mm tall, 35mm wide excluding the crown, 28.2mm wide crystal, and 6.9mm thick. Circa 1984, Quartz.