Hydrogen Peroxide is an active agent material composed of nothing more than water and oxygen. The oxidation process of this material is incredibly good at killing disease organisms, and HP is considered one of the world's safest, all natural, sanitizer. It literally 'burns' micro-organisms by oxidation.
Sutro Tower is owned by Sutro Tower Inc., which manages the structure and the leasing and use of its spaces. See the Videos
There are not that many mechanical watch movement producers in Japan, The big three watch brands there are Casio, Citizen, and Seiko - and Casio is strictly quartz. Citizen owns the movement maker Miyota, which makes movements for mechanical Citizen watches but also sells movements to third party brands.