Seiko 7B24 Manual - Page 23

How to Set the Time and Date (Radio Signal Reception) If a reception was successful: The second hand points to Y ・ A radio signal has been received successfully. Use the watch without any adjustments. ※ When the watch is not displaying the precise time and date even after successfully receiving a radio signal  → In this case, refer to Misalignment of the time and hands on page 152 and Misalignment of the date on page 154. If reception has failed: The second hand points to N. ・ Place the watch in a place where it can easily receive a radio signal, or change its direction. E ven within the radio signal reception range, this watch may fail to receive a radio signal depending on the condition (due to the influence of weather, geographical features, buildings, or direction). → In this case, refer to Environments in which it is difficult to receive a radio signal on page 100. T his watch is unable to receive radio signals outside a reception range → Radio signal reception range indication on pages 96 - 98 ・ Attempt to receive a Radio Signal in a different time period (In the case of manual reception). Receiving environments differ according to time periods even at the same place. Due to radio signal characteristics, the watch is able to easily receive radio signals during nighttime hours. ・ When manually adjusting the time even after successfully receiving a radio signal, reception results are reset to "N." ※ When pulling the crown to the second click, the watch enters the manual time setting mode, and resets the reception results without adjusting the time. ・ When the watch is unable to receive radio signals, it may move depending on the quartz movement. ※ Accuracy of loss / gain: ±15 seconds per month 103