I can see glucose monitoring eventually becoming available since we know it is possible to monitor blood sugar with a skin patch. But I am highly skeptical if we will see blood pressure monitoring unless their is a major advancement of medical science where a blood pressure cuff is no longer needed.
Could work with smart bands.
Blood pressure can be determined intravascularly with multiple reference points – which the Watch is well suited for as you wear it throughout the day. The amount of blood pumped is directly connected to blood pressure. Existing sensors can already view blood flow through your skin, enough to determine a heartbeat. Improving the accuracy of the measurement of volume of blood will get us blood pressure without any need for a cuff.
Nonetheless, useful health data can be taken from changes to the pressure, not necessarily exactly what that pressure reading is. If your baseline is determined throughout the day and you have a spike in either direction, there's an alert or a marker for that time of the day that can be correlated to an activity. If your blood pressure is never consistent, then a determination can be made that you should see a doctor.
Body temperature and blood pressure are coming. No "major advancement of medical science" (that hasn't already happened) is necessary. Non-invasive blood glucose monitoring, on the other hand, is a major advancement and will absolutely change the lives of hundreds of millions of people worldwide.