IW3505-04Ref

The IWC 'Skinny' Ingenieur SL Automatic 3505 arrived in 1983 as a reduced-size alternative to the 1976 'Jumbo' SL model. Inside its 34.00mm case beats the caliber 375, an ETA-based automatic movement. Reference IW3505-04 features a stainless steel case paired with a champagne dial.