The VJ12 HCP quartz watch movement is an 8¾-ligne caliber featuring three hands (hour, minute, sweep second) with a date window at the 6 o’clock position, measuring 18.20 × 18.00 mm with a movement height of 2.71 mm, a total height of 4.27 mm, and a height over the dial seat of 1.50 mm. It uses 120/70/17 hand sizes, operates on a 363 battery, and requires stem part number 351-332.