A stainless steel, mother-of-pearl and synthetic ruby

A stainless steel, mother-of-pearl and synthetic ruby, automatic chronograph, strap wristwatch with date, and an eighteen karat gold and diamond, skeletonized automatic, strap wristwatch, KriegerGigantium25 jewel movement number 11412, mineral crystal exhibition case back, mother-of-pearl dial with synthetic ruby set numerals, outer markers and registers for running seconds and chronograph minutes and hours with date aperture at 3 o'clock and synthetic ruby set bezel and crown. Case with chronograph pushers, screw down crown and attached to a strap with a steel, double deployant clasp. The other jeweled movement model K4004, mineral crystal exhibition case back, skeletonized dial with round brilliant-cut diamond set bezel. Case with synthetic sapphire set screw down crown and attached to a strap with a steel, double deployant clasp.Diameter: 43mm and 37mm, respectively.