IWC Portuguese Chronograph Stainless Steel 40.9mm Automatic Reference # IW3714-01 The watch is pre-owned, in very good condition with sings of wear as pictured. No service history but runs great and winds smooth, strap shows wear. Comes with NO box or papers. Please, review all 12 pictures Case: Stainless Steel Case back: Stainless steel Case dimensions: · Diameter: 40.9mm Dial: Silver Movement: IWC Automatic winding 79240 Calibre Crystal: Sapphire Band: Leather strap with Deployment Buckle (Show some wear) Functions: - Chronograph