FPJ RESERVE › CHRONOMÈTRE OPTIMUM - Ref. CO Calibre 1510 Image 1 of 1 CHRONOMÈTRE OPTIMUM - Ref. CO Calibre 1510 $0.00 Available Upon Request 18K 6N Gold caseDiameter: 40 or 42 mmOverall height: 9.5 mmDial: 5N Gold and whitened guilloché SilverHands: blued Steel Available Upon Request Added! 18K 6N Gold caseDiameter: 40 or 42 mmOverall height: 9.5 mmDial: 5N Gold and whitened guilloché SilverHands: blued Steel