1970s Rone Valjoux Chronograph with Blue Dial in Gold PlateThis Watch We have here a Rone chronograph wristwatch with a stunning blue dial from the 1970s. At 12 o'clock, the dial is signed 'Rone' and at 6 o'clock '17 Rubis, Incabloc' along with 'T Swiss Made T' denoting the use of Tritium on the dial. The gilt baton markers are bevelled, except those at 12 and 6 o'clock, which are lumed. The subsidiary seconds dial site at 3 o'clock, with a 60 minute recorder at 9 o'clock. A tachymeter scale is on the very