Data ritch watchface:

Basically all usable watch sensor / statistics data (from top left to bottom down):

• current date (day of week, dd/mm)
• sunrise, time to next sun event, sunset
• altitude, current watch temperature, moon phase, barometer
• today steps, today distance (km), today ascent (meters), training effect, regeneration time
• TIME (+ seconds, shown only when watchface is in active state)
• CHARTS (see bellow for detail)
• respiration per minute, calories, active calories, today active minutes
• battery percent and active symbols (bluetooth wifi, sleep mode, alarm, charging)

Tree charts, from left:

•  stress level (24h, max available duration)
  • under chart is current stress level, min and max shown on chart
• heart rate (6h, max available duration)
  • under chart is current heart rate, min and max shown on chart
• body battery (24h, max available duration)
  • under chart is current heart rate, min and max shown on chart

Around display is Arc (and arrow showing current time time in 24h format)

• arc at top is 00:00 (midnight), bottom is 12:00
• colors of arc means "sun state"
• black is night, white is day until mid day, gay is day after mid day, yellow is time just before and after sunset..