CASE: Two body, ultra thin, solid, polished and brushed, case back secured by screws, sapphire crystal. DIAL: Black with gold baton indexes and hands. AP logo at 12 MOVEMENT: Cal. 2003/1, rhodium plated, 17 jewels, straight line lever escapement, monometallic balance, flat balance spring Dial, case and movement in good condition Dial, case and movement signed DIM: 34 mm x 34 mm THICKNESS: 4 mm NOTE: This watch contains the ultra-thin Cal 2003 manual movement that AP first developed in conjunction with ebauche maker LeCoultre in 1946 and used for many years in their ultra-thin dress watches. It is considered a very reliable and durable movement for an ultra-thin production.