PNG MORE
Mixed
Flat
iconsimple (freebies)
timer, Alarm, watch
WhiteSmoke
512x512
PNG ICO ICNS SVG MORE
Ballicons 2 Free
time, watch, Clock
SkyBlue
Stash
Hourglass, test, monitor
Tomato
PNG ICO ICNS MORE
Flat Green
time, Clock, hour
Azure
Computer & hardware
Ballicons (free)
Clock, time
128x128
Desktop apps
Simply 8-bits #2
time, chess
Wheat
96x96
Appicns
machine, time, appicns
DarkSlateGray
513x513
UI
Flat UI Free
Alarm, time, Clock
MediumSeaGreen
200x200
iBox (Grey)
time, machine
Silver