Wow, what a tool watch! It weighs over 200 grams and is in Stainless Steel!!! This watch is a beast and looks amazing overall. The condition is near perfect and comes with its original tool kit. The kit is complete with its double box and paperwork.
Details:
 
Brand: Sinn
Model: Duochronograph 
Reference: 757.010
Year: Unknown, Card is Smudged
Material: Stainless Steel
Dimensions:  43mm
Crystal:  Sapphire
Movement: Automatic 
Bracelet/Strap: Original bracelet + Leather band 
Box/Papers: Yes/Yes + Tool Kit