What's the story with Seiko UT/Universal Time Corporation range of movements? | WatchUSeek Watch Forums
![JLC - Jaeger Lecoultre Polaris World Time Chronograph, Geographique World Time, Geophysic Universal Time and Geophysic UT Tourbillon. Four different visions of the world time watch. JLC - Jaeger Lecoultre Polaris World Time Chronograph, Geographique World Time, Geophysic Universal Time and Geophysic UT Tourbillon. Four different visions of the world time watch.](https://storage.googleapis.com/pubzapuscentral/watchprosite/jlc/385/raw/jlc_6024496.jpg)
JLC - Jaeger Lecoultre Polaris World Time Chronograph, Geographique World Time, Geophysic Universal Time and Geophysic UT Tourbillon. Four different visions of the world time watch.
![1 Time Scales UT0, UT1, EAL, TAI, UTC Ricardo José de Carvalho National Observatory Time Service Division February 06, ppt download 1 Time Scales UT0, UT1, EAL, TAI, UTC Ricardo José de Carvalho National Observatory Time Service Division February 06, ppt download](https://images.slideplayer.com/18/6174355/slides/slide_14.jpg)