| 968 / | HD | HOROLOGY |
| 85 | DD | GEARWORK (Gearwork for driving the hands subclass 140; calibers subclass 284; dispositions and components for transmission in general F16H) [G04B 13/00] {5} |
| 87 | | .~ Where rotation in one direction is changed into a stepping movement [G04B 13/00C] {1} |
| 88 | DD | .~.~> With a step for each complete revolution (counters in general H03K) [G04B 13/00C2] |