With nickel-finished lever movement 29 jewels bi-metallic compensation balance adjusted to temperatures and 2 positions silvered two-tone dial with applied pink gold Arabic and baton numerals apertures for day and month blue outer ring calibrated for date fan-form subsidiary dial indicating the phases of the moon oversized case with triple-stepped bezel and down-turned teardrop lugs case dial and movement signed with an 18k pink gold Vacheron Constantin buckle