Unfortunately Mr. Gruber isn't aware of the Seiko Spring Drive movement which exhibits perfectly smooth movements of hands and gears: https://www.youtube.com/wa

Unfortunately Mr. Gruber isn't aware of the Seiko Spring Drive movement which exhibits perfectly smooth movements of hands and gears: https://www.youtube.com/watch?v=kwK51jnBtUM https://www.youtube.com/watch?v=kwK51jnBtUM https://www.youtube.com/watch?v=7uUxjF7QrIc https://www.youtube.com/watch?v=7uUxjF7QrIc But then again, he probably isn't a watch enthusiast.