Chronoswiss Kelek Complete Calendar luxury watch, circa 1990’s vintage, steel/gold. Chronoswiss Kelek & Kelek calendar watches are offered as a full calendar, semi perpetual calendar and fully perpetual calendar, all with the same dial layout. Ref. 5287-4-A-S2 case with exhibition back, Cream-colored dial with gold-coloured indices and hands, central second, month at 12h, date at 3h and day of the week at 9h, moon phase at 6h. Automatic, Cal 5200 (ETA 2892-2) The Cal. 5200 (ETA 2892-2 base) movement powering this watch is in excellent working condition, and is keeping accurate time on the wrist. The calendar features and moon phase turn over toward midnight as designed; the four case pushers correctly quickset each of the functions as needed. The month/day displays are in German. The steel case and 18K gold bezel/lugs and crown are in nice shape as the pictures show. The flat sapphire crystal is perfect with no scratches. The display back reveals the automatic movement. This watch measures 36mm wide excluding the crown, and comes on a brown leather strap, as pictured. Photos are magnified and show details not seen by naked eye, the case measures xx mm across (not including crown) x xx mm lug to lug.