Luminox 1883. For some unknown reason, this had developed a tacky, very sticky, persistent film on the crystal while sitting in the storage case. Soap and water would not remove it, but it finally came off with some lens cleaner and a microfiber cloth.
My c1998 Omega Constellation automatic chronometer. It has a champagne face and the case and bracelet are a combination of stainless steel and 18c gold.