This document describes the usage and functions of the watch, including setting the time and date, using the stopwatch, and using the screw-lock crown. It also mentions the maintenance and specifications of the watch.
The Casio CAL. 8T67 is a multifunctional wristwatch featuring a screw-down crown to enhance water resistance and prevent accidental operation. It includes analog displays for hours, minutes, and seconds, along with digital date display capabilities.
Key features include a stopwatch function measuring up to 12 hours in 1/5-second increments, a rangefinder for short durations under one minute, and a distance meter that calculates distance based on the time difference between seeing lightning and hearing thunder. The watch also utilizes a safety locking button mechanism. This manual is written in Chinese.
| Crystal Oscillator Frequency | 32,768Hz |
|---|---|
| Operating Temperature Range | -10°C to 60°C |
| Drive System | Stepping Motor, 2 pieces |
| Battery Type | Seiko SR936SW |
To lock the screw-down crown, rotate it clockwise until you feel the threads stop turning.
Do not set the date between 9:00 PM and 3:00 AM to prevent confusion with the next day's date change.
The micro-battery can last approximately 3 years, though actual life may be shorter after purchase.