This is an Orient chronograph watch issued to BAF with original signed papers. All function is working fine. New battery installed. The watch is very solid with original bracelet. Watch is all original, never polished. It has Day date windows as well. The dial has a stunning sunburst Blue color. Lume has been patinated. This is a highly funcitional chronograph. The bezel has a stunning 60 minutes layout. Caseback Reference number - [Y] J39701-70 CA Instructions: Press the top p...usher to start the chronograph. While the chronograph runs, the subdial hand on right will run every 1/10 second, The left subdial hand will change every minute. Press the top pusher to stop the chronograph, then press the bottom pusher to reset the chronograph.