| 968 / | HD | HOROLOGY |
| 23 | DD | NORMAL WINDING OF CLOCKWORKS BY HAND OR MECHANICALLY; WINDING UP SEVERAL MAINSPRINGS OR DRIVING WEIGHTS SIMULTANEOUSLY (see note attached to this subclass) {10} |
| 37 | DD | .~ By parts of the cases (setting the time-indicating means by parts of the case subclass 248) [G04B 3/08] {1} |
| 38 | | .~.~ Protecting means preventing overwinding (arranged in, or attached to, the barrel subclass 16; in connection with keys subclass 36; in connection with automatic winding devices subclass 66; protection subclass 71; of electrical winding up arrangements for mechanical clocks subclass 443) [G04B 3/10] |