F.P. Journe Quantième Perpétuel Ref. QP Octa Platinum Grey Dial

A Quantième Perpétuel, reference QP, in platinum on a leather strap. It is a perpetual calendar on the Octa platform.

The case measures 40 mm and stands 10.85 mm deep. The dial is white gold and whitened silver and the hands are blued steel. F.P. Journe states the case for this reference as 40 or 42 mm.