The Seiko 1N00 quartz watch movement is a two-hand (hour/minute) ladies’ caliber measuring 4¾ × 6½ lignes, with dimensions of 10.80 × 14.50 mm, a thickness of 1.90 mm, and an overall movement height of 3.16 mm. It uses 90/45 hand sizes, contains 0 jewels, operates on a 317 battery, and comes with stem part number 351-807, which has a 0.60 mm (tap 13) thread.
