Mr. Slate!

Courtesy of Paul Picot

I actually saw and laid hands on this at BaselWorld - it is Paul Picot's Atelier Slate.  I was really struck by the execution of the dial and the wonderful balance with the case.

Here are the specifics -

Atelier Slate 42 mm

Self-winding movement, PP1400
Official C.O.S.C chronometer certification
Date display at 3 o’clock
Dial in real slate
Case in high grade stainless steel, Æ 42 mm
Sapphire crystal and case back with anti-reflection coating
Screw-down crown
Water-resistant to 50 metres
Leather strap (Louisiana)
Limited Edition to 50 pieces

 

http://www.paulpicot.ch/