Miyota 82S8

The Miyota caliber 82S8 is an unconfirmed automatic movement manufactured in Japan. If it exists, the movement would likely feature an open-balance wheel typical of the 82SX family, with disc indicators rather than hands for the small seconds subdial between 4 and 5 o'clock and a 24-hour display at 9 o'clock. It appears to share design elements with the confirmed 82S7 caliber but uses disc indicators for time display. Reports suggest a SevenFriday model may have used this movement, though it has not appeared in Miyota's official catalog.