Z69 Ultra is equipped with an official light-sensing encoder, alpine loop + ocean dual strap , the most popular models + the greatest price 1 precise compass + barometer + altimeter + blood glucose + MET + independent time + Auto off screen + GPS tracking + one-click link + women's health + call switching + Depth waterproof IP68, swimming, light diving within 30 meters, 380mAh Seiko protection board 2 Continuing the perfect replica appearance, buckle + titanium middle frame, 316 stainless steel screws 3Custom group keys, SOS emergency contact, background tasks, multi-sport mode, etc... 4 It has all the functions that you should have, and Z69 has all the functions that you don't have!