Every feature you definitely need to set the time: GMT, moon phase, high/low tide, sunrise/sunset, ±accuracy vs. atomic time, an audible countdown to the 60-second mark … and much more.
GMT
Tone
Set
Wednesday, June 17
AMPM8:3159.5
UTC GMT +00:00
13d to full
08:31:59
UTC
2026
Common
L123
Cycle
…
Accuracy
Face
24-hour time
Seconds display
Hundredths when available
Deadbeat seconds (quartz tick)
Complications
Sunrise / sunset
Tides (NOAA, US)
Minute repeater
Equation of time
Sidereal time
Clock color scheme
Match the clock to your watches
Sign up for Keepers to color the dial after the watch you're wearing.