Men's Carl F. Bucherer Patravi Traveltec Chronograph Automatic Calibre CFB 1901-1, Black Dial with GMT Function and Sub-Dials for Chronometer Timer. Stainless Steel Case, Black Rubber Strap (Screwdown Clasp). Analog Display featuring Luminous Silver-Tone Hands and Index Hour Markers including Minute and 24-Hour Markers around the Inner Rim. Date Display at Position 4-5. Screwdown Crown with Push-Buttons for Chronograph Functions (60 Second, 30 Minute, 12 Hour Sub-Dials). Water Resistant to 50m / 165ft.