Inspired by antique watches from the 1940's, this model uses a cushion case that was common in those days. This high beat movement oscillates 28,800 times per hour (8 times a second), reducing the distance of the swing of the second hand and drastically increasing the precision of ...Inspired by antique watches from the 1940's, this model uses a cushion case that was common in those days. This high beat movement oscillates 28,800 times per hour (8 times a second), reducing the distance of the swing of the second hand and drastically increasing the precision of the watch.
The thickness of the Cal.9039-a mechanical movement that MIYOTA revived after a period of around 30 years as a thin-type high performance 8-beat movement-is a mere 3.9mm, unrivalled even by the Swiss-made ETA2824, which gained worldwide popularity.