The Italian car designer drew Seiko's 1983 Speed Master watches: asymmetric analogue chronographs on the 7A28 calibre, including the 7A28-7000 and 7A28-6000, and digital chronographs with tilted displays. Seiko's museum credits the chronograph's design innovation to him.
20 mm
Strap size: 20 mmSource: The Seiko Museum Ginza, Seiko Watch Corporation, aBlogtoWatch, SJX Watches, OPENERS