42.00 mm red gold case, 14.00 mm thick, sapphire crystal back, varnish silver-grainé dial with railroad chapter ring, roman numerals, black panorama date on ivory coloured background, Calibre 37-01 automatic movement with hour and minute, stop second chronograph, small second, 30 minute counter, 12-hours counter, panorama date, power reserve display, flyback, approximately 70 h ± 5 % of power reserve, black louisiana alligator leather strap, folding buckle. Water resistant to 5 bar.
42.00 mm platinium case, 14.00 mm thick, sapphire crystal back, made of solid gold with hand silver plating friction dial with railroad chapter ring, roman numerals, tachymeter scale, black panorama date on ivory coloured background, Calibre 37-01 automatic movement with hour and minute, stop second chronograph, small second, 30 minute counter, 12-hours counter, panorama date, power reserve display, flyback, approximately 70 h ± 5 % of power reserve, blue louisiana alligator leather strap, folding buckle. Water resistant to 5 bar.