Prestige Medical Analog Stethoscope Watch with Medical Symbols, Blue Go to amazon.com Related posts Which is the best stethoscope watch? FeatureFeatures a 15 Second indicator24 Hour Dial with Quartz movementDurable compact designAttaches to most stethoscopesReplaceable Battery (SR626SW) DescriptionAttaches to all stethoscope tubing and features a 24 hour dial and a 15 second marked quadrant.