Glashütte Original, Glashütte i/SA, "Senator Ewiger Kalender", Movement No. 23166, Case No. 50/50, Ref. 1-39-50-04-03-04, Cal. GUB 39, 39 mm, circa 2000 An automatic wristwatch in mint condition, with perpetual calendar, moon phase and panorama date -...

Glashütte Original, Glashütte i/SA, "Senator Ewiger Kalender", Movement No. 23166, Case No. 50/50, Ref. 1-39-50-04-03-04, Cal. GUB 39, 39 mm, circa 2000 An automatic wristwatch in mint condition, with perpetual calendar, moon phase and panorama date - limited platinum edition no. 50 of only 50 pieces worldwide Case: platinum, screwed on glazed back, crown set with sapphire cabochon, original platinum deployant clasp. Dial: two-colour silvered, engine-turned centre. The exquisite, central guilloche pattern of the dial lends this marvelous timepiece in mint condition a particularly elegant appeal. Windows for the day of the week and the month are positioned in the upper half of the dial, the double window for the panorama date sits further down, opposite the moon phase indication. The moon phase appears as a shiny golden, slightly curved plate on a dark blue disc decorated with stars that is displayed in a semicircular opening. Whether or not the current year is a leap year, is indicated by different colours in a small round opening beneath the Glashütte Original logo. The watch is powered by a skeletonized 21k gold rotor and a beryllium balance. Case: as new. Dial: as new. Movm.: as new, capable of running.