Withings Blood pressure Monitor app

Here's the information you'll get about your Withings account on your Apple Watch:

A few words of cautions:

If you're not logged in to the app on your iPhone, your Apple Watch will prompt you to do so.
The activity, sleep, weight and blood pressure screens only appear on your Apple Watch if you have a device that can measure these metrics.

Note that there are also glance screens available for the Withings Health Mate™ app. They show the last measurement of each screen.

To launch a blood pressure measurement from the Apple Watch, perform the following steps:

Source: withings.zendesk.com

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