For sale is a Vintage 1960s US Divers Co. Calypso Aqualung 200m Scuba Watch Wrist Pressure Gauge. It belonged to my Mom, who was certified in 1962! She is now 96!!!.... No wear on the band and just a few small scratches on crystal and the back. Small hairline scratch or crack under the "200"..The buckle has more scratches. Built really well..Swiss made. Thank You for your consideration