The Seiko V145-0C30 watch movement features a pointed balance staff bearing in white jewels and was initially manufactured by Durowe. It incorporates an electromechanically controlled balance motor and offers a sweep second function. The movement enables the day to be set by +/-24 hours and includes a quickset feature for adjusting the date. Furthermore, it includes a hack feature. The Seiko V145-0C30 movement was commonly used around the period of 1970.