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Key operational features: Time, Calendar, Alarm, and Stopwatch.
Technical details and performance metrics of the watch.
Identification and role of the watch's crown and buttons.
Guide for setting watch time and calibrating stopwatch hands.
Step-by-step instructions for adjusting the watch date.
How to set, use, and manage the watch alarm function.
Using the tachymeter scale for speed and output measurements.
Guidelines on watch water resistance based on usage conditions.
Warnings regarding shock, magnetism, vibration, temperature, and chemicals.
Procedures for replacing the watch battery and post-replacement steps.