"Iwc Ingenieur Calendar Automatic Steel/steel -1960-"
IWC Ingenieur ref. 666 AD in steel. Automatic movement caliber C.8531 Pellaton, central seconds and date at 3 o'clock. Silver tritium dial, applied baton indexes, dauphine hands. 3-piece case with screw-down back, antimagnetic soft iron cap, smooth bezel. Gay Frères bracelet, can be worn on a leather strap. Dimensions: 36.5 mm (38.5 mm with crown) x 43 mm (lugs included). Movement and case signed and numbered. Vintage item in excellent condition, serviced and inspected. 2-year warranty. Comes with original box. 
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