This is a Seiko railroad pocket watch. Manufactured in 1971, it is the same model used by train drivers at the time. Although measured by an amateur, it is running with a daily rate of approximately ±15 seconds when placed flat. Size: 71mm top to bottom (including the hanging ring), 50mm side to side. The large face provides excellent visibility. It can be carried around or used as a desk clock. Dial color: White Operation: Good Scratches/Cracks: None