For several weeks I have the above Casio wristwatch. Case and bracelet are fully made of titanium. The clock is very reliable in operation. The poss. Reduction of titanium bracelet is not a problem. Either you go to the watchmaker or can, if handled adroitly make themselves and acc. Information from the Internet Service (2 pins in direction of the arrow with a kl.Büroklammer out press etc. ..). An excellent clock that I can recommend