The GP50 Miyota Quartz Watch Movement is a 12-ligne, three-hand (hour, minute, sweep second) movement featuring two retrograde indicators: a dual-time retrograde at the 6 o’clock position and a date retrograde at the 12 o’clock position. It measures 27.00 × 25.00 mm with a movement thickness of 3.90 mm and a total height of 5.90 mm. Hand dimensions are 120/70/17/26 for the hour, minute, sweep-second, and day-retrograde hands. This movement contains zero jewels, uses a 371 battery, and is compatible with stem part number 065-992.