The chronofighter oversize referee is developed especially for the needs of rbs 6 nations tournament referees only 250 such timepieces have been created its calibre is g1735 automatic tri compax chronograph movement it makes 28 800 vibrations per hour the watch is equipped with incabloc shock absorber 25 jewels and a 48 hour power reserve its chronograph has seconds 30 minutes and 12 hours counters a date window is positioned at the 9 oclock mark hands mark hours minutes and seconds