This is the model classic 30. The size is 30mm diameter (without the crown) and thickness 7mm. This watch is made out of stainless steel. The bracelet is also made from steel. It is a so called Milanese bracelet. It can be adjusted to the right size. The watch has a mineral glass. The watch has a Swiss quartz (battery) movement. This watch is new. You will recieve 2 years guarantee on it.