This manual explains how to operate the Seiko Cal. 5T52 analogue quartz watch, covering features such as main time, date, world time, and alarm functions. It details button and crown operations, setting procedures, and how to adjust the city hand for world time.
Additional sections describe battery life indicator, battery change, environmental precautions, care of the case and bracelet, and technical specifications. The guide also includes safety notes on temperature, shocks, magnetism, and chemicals.
| Frequency of crystal oscillator | 32,768 Hz |
|---|---|
| Loss/gain (monthly rate) | Less than 15 seconds at normal temperature range (5°C ~ 35°C) |
| Accuracy of the alarm (monthly rate) | ±1 minute at normal temperature range (5°C ~ 35°C) |
| Operational temperature range | –10°C ~ +60°C |
| Driving system | Step motor, 4 pieces |
| Battery | SEIKO SR927W, 1 piece |
| Integrated Circuit (IC) | C-MOS-LSI |
Replace the battery with a SEIKO SR927W, then adjust the city hand to the 12 o’clock position and reset the main time, world time, and alarm hands.
The watch works accurately between –10 °C and +60 °C.
Ensure crown 1 is in the normal position, press A or B to select the city, pull out crown 1 to the first click, then press A or B to set the small hour and minute hands for the selected city.