ref.3940
Yellow, 1st series

Ref. 3940 J, self-winding, leap-year perpetual calendar, moon phases, AM-PM indication, silver “Sigma” dial; “First series”; 18K yellow gold
18K yellow gold, self-winding, tonneau-shaped, gentleman’s wristwatch, with seven horological complications:
· Perpetual calendar
· Date of the month (subsidiary dial at 6 o’clock)
· Day of the week (subsidiary dial at 9 o’clock; indications given in English)
· Month of the year (subsidiary dial at 3 o’clock; indications given in English)
· Phases of the moon (aperture at 6 o’clock)
· Four-year cycle of leap-years (subsidiary dial at 3 o’clock)
· Diurnal (day-time) and nocturnal (night-time) hours with a 24-hour (AM-PM) scale (subsidiary dial at 9 o’clock)