The temperature-sensing element is not really a clinical device and not supposed for use in healthcare diagnosis, cure, or for any other clinical intent. This piece is really a slim 38mm (so is wearable even for the people with more compact wrists). The vintage inspiration can be seen from the https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/