Based on Old Man's Eyes White by valsimdim 
and concept of rotated desk clock 
(eg. during charging or when want to check ambient temperature)
Automatic mode change when you take the watch off your wrist

on the wirst:
circle: heartrate (inverted if notifications exists)
1st row: remaining battery time in days, if under 48 hours->in hours
2nd row: date, weekday
3rd row: hour:minute
4th row: steps OR notification count OR max/min temperature weather (90 min after wakeup time)

off the wirst (watch laying on the desk):
weekday

hour minute
circle: sensor temperature
max/min temperature weather
notification icon