When signal strength is good outdoors the watch typically updates the time in a matter of seconds.
													
																	Seiko astron gps solar dual time watch. 
									
	
		
	
																	The world s first gps solar watch. 
																	The watch boasts a stainless steel case fitted with a ceramic bezel that offers water resistance of 100 meters. 
																	Seiko claims that after being exposed to bright light the seiko astron gps solar dual time automatically attempts to sync with a signal and of course you can manually sync at any time. 
																	5x series 5x series. 
															
													
									
	
		
	
																	Well nothing too complicated really. 
																	Dual time caliber offers more proof that gps solar is a technology platform that delivers real practical advantages that are appreciated by all. 
																	It means that it can show the time in both am and pm 12 24 thanks to a dedicated sub dial. 
																	By connecting to the gps network the astron adjusts at the touch of a button to your time zone and by taking all the energy it needs from light alone never needs a battery change. 
															
													
									
	
		
	
																	But what does dual time actually mean.