Konstantin Chaykin MK3 Fighter Ruthenium Piece Unique Case: Trapezoid titanium case with sapphire caseback, vertical twin crown remontoir, leather strap with titanium buckle ;Dial: Ruthenium-plated dial with orange lumed and applied arabic numerals, UTC time display at 12 o'clock, MCT (Mars central time) at 6 o'clock, signed: "Konstantin Chaykin";Movement: Rhodium-plated automatic movement with additional UTC and MCT time display;Cal.: K.15-0;Accessories: Box and papers;D=: 55,82 mm x 48mm;Year: 2021; Starting bid : 10000