Rare Movado pocket watch

Silver and leather pocket watch Movado,
Gold colored dial with Arabic numerals and a second dial at the 12.
15 jewels Swiss made Cal. 620N movement. The movement is fitted with an unusual  regulator index adjustment system making this a Chronometer watch.
Case number 633426-27350 on a 15 cm long original leather lace.
The 41 mm watch case is covered by the original leather. This 1930s watch is much rarer than the often also leather covered Ermeto watches.