Is there a steel belt in the seven-day chain?

The seven-day chain has no steel belt. Relevant public information shows that the strap is crocodile belt, which is soft and comfortable to wear and needs maintenance, and its durability is not as good as that of steel belt. The case is brushed and elegant. The buckle is a folding buckle, which is safe and convenient. Wan Guo is a Swiss watch brand, made by American watchmaker Florence? Ariosto? FlorentineAriostoJones was founded in Schaaffhausen on 1868. 1936, IWC launched the first watch specially made for pilots. 1939, international watch Portuguese watch was born.