Stainless steel self-winding round-shaped large gentleman’s wristwatch water-resistant with engraved case-back screwed by six screws black dial with radial indexes (hour triangle red-tipped hand and minute hand) with seven horological complications: • Date of the month so-called “big date” (double aperture at 5 o’clock) • Month of the year (graduated scale inside the circle of hour-markers with the white super-luminova index) • “Sector”-type equation of time (subsidiary sector at 6 o’clock with the small white index indicating the difference between apparent solar and mean solar time) • World Time (outer revolving ring adjustable by the crown at 9 o’clock) • Multiple time zone display (activated by the push-piece at 2 o’clock) • Second time zone or mean solar time (long triangle-tipped hour hand with white super-luminova completing a full turn of the dial in 24 hours adjustable by the crown at 10 o’clock) • Third time zone (long sun-tipped hour hand with red super-luminova can be set to show time zones in half-and quarter-hours a useful aid in parts of the world like India and the Pacific; it also slides permitting it to be set to display the mean solar time of any location according to its longitude).