CASE: Two-body, solid, polished and brushed, case back with 6 screws, screwed down winding crown, stepped sides, sapphire crystal.DIAL: Black with yellow gold baton indexes, subsidiary dials for the days of the month, of the week and the months, apertures for the moon phases and the 2-digit year display, outer minute track. Yellow gold feuille hands.MOVEMENT: Cal. 32062, gilt brass, fausses cotes decoration, 33 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator.Dial, case and movement signed, in very good conditionDIM: 27 X 40 mm THICKNESS: 8mmNOTE: With the IWC 900, the company is going to present the first watch with a rectangular shape, self-winding with a perpetual calendar.