Zenith - Chronomètre

A heavy observatory chronometer in near mint condition, with moon phase and 48h power reserve indicator in a rare 18 K gold version Movm. No. 7157658, Ref. 30.0050.148, Cal. 5011K, Dimensions 60 mm, circa 2002, Weight 223 g, Origin Schweiz Case: 18 K gold, engine-turned, reeded case band, glazed movement. Dial: Two-tone silvered, engine-turned, applied Arabic gold numerals. Movm.: 1/2 plate movement, club-tooth lever escapement, large Glucydur balance. The Zenith calibre 5011K was originally introduced in 1960. It was considered the most precise movement in its category and is probably one of the best watch movements ever made. Case: very good. Dial: very good. Movm.: very good, capable of running, cleaning recommended.