| 968 / | HD | HOROLOGY |
| 876 | DD | SUBJECT MATTER NOT PROVIDED FOR IN SUBCLASSES 901 TO 975, E.G., INTEGRATED CIRCUITS FOR ELECTRONIC TIMEPIECES [G04G 1/00] {6} |
| 895 | | .~ Input or output device integrated in a timepiece [G04G 1/00D] {2} |
| 896 | DD | .~.~> Using radiowaves (setting by radio subclass 907; synchronization by radio subclass 922; transmission of control signal subclass 926) [G04G 1/00D2] |
| 897 | DD | .~.~> Using voice (producing acoustic time signals subclass 968) [G04G 1/00D3] |