So this is what arrived tuesday, been umming and arrring about getting one since i saw @Miterant s picture of the Ltd Edition one, they had sadly gone but the Submarine was still on sale and as the grand-daughter says YOLO 
Technical Specifications:
Case diameter : 43 mm without crown
Water resistance: 100 meters
Screwed crown.
Double domed sapphire crystal with one side, internal & transparent anti-reflecting coating.
Automatic, power reserve 42h.
Brass case, Brass crown with logo, Stainless Steel screw caseback on Brown Leather strap with brass buckle .
