Prestige Medical Stethoscope Watch * 4 Colors * Medical 。?Battery operated (stethoscope not included) ?Attaches to all stethoscope tubing and features a 24 hour dial and a 15 second marked quadrant ?Application: Medical Watch; Power Source: Manual Power ?Item model number : ‎1688 *Is Discontinued By Manufacturer:No *Product Dimensions:1.5 x 1 x 1.5 inches; 0.35 ounces *Item model number:1688 *Department:womens *Date First Available:March 4, 2009 *Manufacturer:Prestige Medical *ASIN:B001ULDADW *Country of Origin:Hong Kong *Best Sellers Rank:#83 in Medical Stethoscope Accessories *Customer Reviews:4.0 4.0 out of 5 stars Attaches to all stethoscope tubing and features a 24 hour dial and a 15 second marked quadrant.Water resistant case. Prestige Medical is discontinued by manufacturer : No product dimensions : 1.5 x 1 x 1.5 inches; 0.35 ounces item model number : 1688 department : womens manufacturer : Prestige Medical country of origin : Hong Kong