Erwin Tuxedo:
In House Jumping Dead Second Complication A11S movement
aka Deadbeat Second, True Second, ie the seond hand "ticks" rather than sweeps. Its a fantastic; If you know, you know complication
9mm high, 38.5mm, 46mm lug to lug, 20mm lug (strap) width
Waterproof to 30m
Beautiful Classic design
Breguet numerals
Sapphire caseback