The VJ20 HCP SII quartz watch movement is a two-hand (hour/minute) caliber using 120/70 hand sizes, with 0 jewels, a total movement height of 4.16 mm, and a height over the dial seat of 1.74 mm. It uses stem part number 351-333 and operates on a 364 battery. The SII VJ20 measures 6¾ × 8 lignes, with dimensions of 18.20 × 15.30 mm and a movement thickness of 2.28 mm, and is stamped with number 3.