Balance & spring of a mechanical watch movement (Zenith Cal. 400), slowed down by factor 75. One complete cycle lasts 0.2s in reality.
Das Schwingsystem einer mechanischen Uhr (Zenith Cal. 400) in 75-facher Dehnung. Eine komplette Periode dauert real 0,2s.
a-throbbin like mah'dick!
Kg277 7 months ago
wow look at the spring throbbing at the top of the throw at about 7 sec.
nice piece of photography
5252dan 1 year ago
Nope. You can see the overcoil passing to the right of center about 3 coils from the outer edge.
halnwheels 3 years ago
Looks like a flat hairspring in that chrono. I thought all Zenith watches had a Breguet overcoil hairspring.
douro20 4 years ago