Tripledate Moonphase watch

Stainless steel and leather triple calendar travel purse watch with moon phases.
Signed Movado, Ermeto model.
Case numbers 1246 and 907M, circa 1940
Nickel-finished lever movement, two-tone white and silvered dial, luminous Arabic numerals, Cathedrale hands, red-tipped central date hand for inner date ring with blue Arabic dates, outer railway minute divisions, two windows for day and month, aperture for moon phases, stainless steel case concealed in black croco leather covered outer case. The movement wound by opening and closing the sliding covers.