Erwin Classic:

• In House Jumping Dead Second Complication A11S movement

• aka Deadbeat Second, True Second, ie 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

• Sapphire caseback