Nako Na-617a User Manual [hot] Jun 2026

If the display becomes dim or fades out, unscrew the back cover and replace the button cell battery with an equivalent replacement. Nako NA-617A clock - AliExpress 15

Pro Tip from the manual: Do not use the Nako Na-617a near strong electromagnetic fields (microwaves, large motors) as this can affect sensor accuracy. Nako Na-617a User Manual

The includes the following contact pathways: If the display becomes dim or fades out,

From the normal time mode, press once to enter stopwatch mode. Press D to start counting. Press D again to stop or pause the counting. Nako Na-617a User Manual

Hold S and press D simultaneously. A bell icon appears when active.