Erwin Globetrotter:
In House Jumping Dead Second Complication A11S-24H movement
aka Deadbeat Second, True Second, i.e. the second hand "ticks" rather than sweeps. It is a fantastic; "If you know, you know" complication
9mm high, 38.5mm, 46mm lug to lug, 20mm lug (strap) width
Waterproof to 30m
Beautiful minimalist design
Extra red independantly settable GMT hand, so ideal for the international traveller who wants to know both local and home time 
Sapphire caseback