Nako Na617a User Manual Exclusive Portable May 2026

While holding S , press M . If all the day-of-the-week icons appear, the hourly chime (beep) is enabled. 4. Using the Stopwatch (Sport Watch Function) Enter Stopwatch Mode: Press M once.

Press D to change the hour. Press S to switch to minutes, then press D to adjust. nako na617a user manual exclusive

Approximately 70 x 43 x 12 mm with a 37 x 15 mm screen. Power: Single AG10 (LR1130) button battery. While holding S , press M

While holding S , press D . Look for the "Bell" icon on the display; if visible, the alarm is active. Using the Stopwatch (Sport Watch Function) Enter Stopwatch

Press M twice. The hour digits will flash.

While the timer is running, press S to freeze a lap time. The stopwatch continues internally. Press S again to return to the running total. Maintenance and Troubleshooting