Two-body, solid, polished, screwed-down transparent case back, protected winding crown, push button on the band to activate the settable discs with the different time zones, the 24 hours and jump-type time setting, concave lugs, Top Wesselton diamond set between the lugs at 6, sapphire crystals. Guilloche blue-gray with applied white gold baton indexes, surrounded by a blue and matte silver 24-hour revolving disc for the diurnal and nocturnal hours, outer revolving ring dial bearing the names of 24 cities in the world. White gold lozenge hands. Cal. 240 HU, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 33 jewels, straight line lever escapement, Gyromax balance, shock absorber, self-compensating free-sprung fl at balance spring, 22K gold micro-rotor