KW factory bronze flower (bronze) 1. New shell sleeve ring thickness literally different from the previous small red flower series Table diameter 43mm ring mouth thickened and widened arched sapphire mirror perfect fusion of past and present 2. New aluminum bronze watch Shell Tudor is an aluminum bronze alloy copper doped mainly aluminum formed in an alloy Bronze has a personality, characterized by excellent resistance to seawater corrosion than tin bronze has higher strength and higher hardness is also less oxidation means that the Tudor bronze case is more strong and resistant. And over time, it does not produce green copper rust, but evolves into a dark brown tone--- so the Tudor called the bronze watch bottom cover more show the careful entry of the Tudor--- because bronze is not a hypothetical material, so the skin-fitting bottom cover can not use this material Tudor stainless steel bottom Gatt made bronze PVD treatment.