The Zentra 6/70 is an open face calibre watch movement that was popularly used around the 1970s. This pillar wheel movement features a timer function with precision timing capabilities of 0.2 seconds for 60 seconds and 60 minutes. It is a stem wind movement with a center second and center minute hand. Furthermore, the Zentra 6/70 is equipped with Ultraflex Shock Protection for enhanced durability and longevity.