| They corrected deviations of internal clocks by comparison with radio controlled wristwatches. |
| Huygens also developed the balance wheel and spring assembly that is still found in some wristwatches today. |
| I started collecting vintage watches ever since my grandfather gave me one of his Hamilton vintage wristwatches for my 18th birthday. |
| Physicians favored wristwatches over wall clocks for routine situations, but reversed their preference for emergencies. |
| Examples include self-winding wristwatches and rectifiers in electrical circuits. |
| Paul tells me all times recorded for the brewing process are taken from the clock, not our wristwatches. |
