The Ingenieur Automatic (Ref. IW357001/IW357002/ IW357003) is a simple watch with three hands, a date window at “3 o’clock” and a case measuring 40 millimetres in diameter. Three versions are available. Two of the modelsfeature a stainless-steel case and rhodium-plated hands and indices. The first (Ref. IW357001) has a silver-plated dial and a black alligator leather strap, and the second (Ref. IW357002) has a black dial and a stainless-steel strap. The third version is the Reference IW357003, which has an 18-carat red gold case, a silver-plated dial, goldplated hands and a black alligator leather strap.