19 mm Illustration drawn to scale: 41 mm case, 19 mm lugs Grand Seiko Heritage Collection 2016 Film role: as prime minister's aide Hideki Akasaka in Shin Godzilla he wore a Grand Seiko SBGR087, the pricier watch of the two leads. Not a personal-ownership claim. 19 mmMost common strap size on this line: 19 mm Cases 32 to 41 mm Source: GQ Japan (Masayuki Hirota)