Love this. Congratulations.
The crown at 2 is for the alarm function right?
yes. The crown have two function : Alarm and set the date.
Spécifications :
- diameter : 40mm without crowns
- thickness : 14.19mm
- lug about 21mm
The alarm rings approximatively 25sec when it is completly wind.
The crown at 2 is used for :
- wind and set the alarm
- set the date
The crown at 4 is used for :
- set the hour (with a stop second)
- wind the automatic movement when the watch was not worn since a long time (only two wind is necessary to launch the mouvement).
The mouvement is 28 800 kb/min and it is done for 45h of power reserve.
Pictures and video with the fantastic ring will come soon.