seiko izul Spring Drive Chronograph SDAA001
Immagine: 87,65 KB* Rotating Dial
* Sapphire Crystal non-reflective coating
* Water resistant up to 10 ATM
* JIS antimagnetic watch 1
* SDAA001 Size: diameter 51.0mm / thickness 14.2mm
* SDAA003 and SDAA005 Size: diameter 47.2mm / thickness 14.4mm
* Screw down crown
* Movement : Spring Drive Chronograph 5R85
* Automatic self-winding
* ± 15 seconds per month (between ±1 second on average)
* Temperature 5 °C to 35 °C
* Power reserve of 72 hours
* Stopwatch functions (a total of 12 hours 30 minutes total)
* Power reserve display
* 49 Jewels
* 397 pieces
* SDAA001 retail price 892,500 Yen
da guardare il video
http://fr.youtube.com/watch?v=vCAvtkUmRS4la cassa che ruota che funzione svolge?