Perpetual Calendar Retrograde Date, 270th Anniversary 'Openface', Platinum Kind of Blue General consensus holds that around

General consensus holds that around 100 examples of these were made

Laurent Ferrier’s classical three-hand model with their most technical escapement

This dial is not pressed in the way that many Grand Seiko dials are

bringing the tachymeter track outside the dial to its steel bezel

It is a time machine which aspires to transport the wearers mind elsewhere

Perpetual Calendar Retrograde Date, 270th Anniversary 'Openface', Platinum Kind of Blue General consensus holds that aroundA Perpetual Calendar Retrograde Date, made for Vacheron Constantin's 270th Anniversary in 370 examples. The models made for this anniversary introduced an 'Openface' concept, with partially opened dial apertures allowing mechanics to be observed in small sections. The dial is comprised of 18k gold featuring a hand guilloch Maltese cross motif, mixed with opened sapphire discs. This perpetual calendar blends Vacheron Constantin's storied history of