18K white gold self-winding round-shaped gentlemans wristwatch with sapphire-crystal screwed case-back and eight horological complications: Half-instantaneous perpetual calendar Date of the month (subsidiary dial at 6 oclock) Day of the week (subsidiary dial at 6 oclock; indications given in English) Month of the year (subsidiary dial at 12 oclock; indications given in English) Phases of the moon (aperture at 12 oclock) Time of sunrise in Paris (subsidiary dial at 9 oclock) Time of sunset in Paris (subsidiary dial at 3 oclock) "Sector"-type equation of time (half-circle graduation at 10 oclock)