| 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} |
| 888 | | .~ Electric power supply circuits (in general H02M 1/00) [G04G 1/00C] {4} |
| 889 | DD | .~.~> Conversion or regulation of current or voltage [G04G 1/00C2] {2} |
| 892 | DD | .~.~> Preventing voltage drop due to overloading the power supply [G04G 1/00C4] |
| 893 | DD | .~.~> Backup power supply [G04G 1/00C5] |
| 894 | DD | .~.~> Reducing power consumption during the storage of the watch [G04G 1/00C6] |