Case: three-body, solid, polished and brushed, case front with ornamental screws, case back with screws, ridged revolving bezel bearing the names of 24 cities around the world, protected winding-crown, sapphire crystal. Dial: white with applied yellow gold radial Roman numerals, outer 24 hours revolving ring dial for the diurnal and nocturnal hours, aperture for the date. Bâton louminous yellow gold hands. Movement:Cal. 124, rhodium-plated, fausses-côtes and oeil-de-perdrix decoration, 21 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring. Dial and case signed. Diam. 38 mm. thickness: 10 mmDial, case and movement in very good condition