Seiko 5 was made in 1963 marked by the emergence of the Sportsmatic 5 series. The inspiration lies in edgy designs and dramatic colors that come together with accurate and innovative automatic movement movements that define the spirit of Seiko 5. The number 5 is the main key attribute of Seiko 5 namely : 1. Automatic winding 2. Day / date displayed in a single window 3. Water resistance 4. Recessed crown at the 4 o'clock position 5. Durable case and bracelet