The Medeor Pulsograph
Just on the right side of being too vintage...
The main element is the bidirectional rotating bezel, which has a polished blue ceramic insert for the Asthmometer and brushed tungsten insert for the Pulsometer. The Pulsometer has a triangle starting marker, while the Asthmometer has a circle marker and measurements are taken for 15 heartbeats or 4 breaths. This calculates the amount of each per minute. The rotating bezel allows you to move the markers to the seconds hand for immediate use. A steel bracelet and elastic/Velcro strap come standard… More here.
The Pulsograph is so close to stepping too far into the world of vintage that many will see it as crass. I think it ‘just’ stays on the right side and is offering a sweet design with some practicality for a decent price (if you pre-order early).