The Seiko 7N83 quartz watch movement is a ladies’ three-hand movement featuring hour, minute, and sweep-second hands, with both day and date displays positioned at the 3 o’clock location. It is a 6¾ × 8 ligne movement measuring 15.30 mm × 17.80 mm, with a thickness of 2.90 mm. The hand sizes are 110/65/20 (hour/minute/second), and the movement contains no jewels. It operates using a 364 battery and is supplied with a stem, part number 351-892, which has a 0.80 mm tap (tap 11).
