- Stainless steel watch with plastic details on the case for her. The watchcase is . The The watch case is made out of stainless steel. The bezel out of plastic. And the strap is made out of silicon rubber. The size of the watch: diameter of the case is 34mm and thickness 10mm. The watch is waterproof till 50 mtr. (5 ATM) and has a quartz (battery movement made in Japan. (by theSeiko company) The watch is new. You will recieve 2 years guarantee on it.