Skeletonised Perpetual Calendar | White Gold Stone grey a self-compensating flat balance spring

a self-compensating flat balance spring and a monometallic balance

and also integrating a hacking seconds mechanism

luminescence

beyond very light superficial marks on the bezel and lugs only visible under intense light

The watch was recently serviced by F

Skeletonised Perpetual Calendar | White Gold Stone grey a self-compensating flat balance springThis Grald Genta Perpetual Calendar is an intriguing early piece from the manufacture, as suggested by the lowercase signature found printed on the moonphase. Bearing Genta's favoured octogonal shape, the watch is an excellent representative of the designer's prolific and visionary body of work, and is an excellent, if lesser known addition to a collection focused on neo vintage perpetual calendars. Grald Genta is a designer that needs little