The SEIKO Duo-Display Watch Cal. H023 is a watch with dual display functionality. By following the instructions in the manual, users can achieve optimal results.
This manual provides step‑by‑step instructions for using the Seiko Cal. H023 Duo‑Display watch, including how to change modes, set the time and calendar, and operate the stopwatch and alarm functions. It also explains battery‑life indicators and proper care to preserve watch quality.
The watch features four buttons, multiple display modes (Time/Calendar, World Time, Stopwatch, Alarm), automatic calendar adjustment for leap years, and a battery‑life indicator that alerts you when the battery is low. Detailed specifications and troubleshooting tips are included.
| Stopwatch count range | up to 171,000 seconds |
|---|---|
| World Time automatic setting | covers 28 cities |
| Calendar automatic adjustment | handles odd/even months and leap years 2001‑2050 |
Press repeatedly any button; the mode name scrolls from right to left in the scroll window.
Yes, the calendar adjusts automatically for odd and even months, including leap years from 2001 to 2050.
The battery‑life indicator appears in the scroll window when the battery life nears its end.