The Seiko VD79 quartz watch movement is a 10½ ligne multifunction caliber featuring two hands for hour and minute with a date hand at 3 o’clock and a day indicator at 9 o’clock. It measures 22.60 mm in diameter with a movement height of 3.45 mm a total height of 5.13 mm and a height over the dial seat of 1.50 mm. The movement has zero jewels uses hand sizes 120/70 with 0.21 mm indicator hands operates on a 377 battery and supports stem options including part number 351 178 tap 10 and part number 351 890 tap 11.