BMW M Style Power Motorsport

-Brand new in original box - 
Model made in a limited quantity for the BMW Motorsport high-end luxury line, especially for the BMW ///M cars !!! Brand new after almost 30 years  with original box and papers, for Japanese market. 
Multi-functional single crown control for all functions:
turn the crown in neutral position: selection of different functions;
in pulled-out position: correction of the displayed indications.
the crown serves also as a push-piece and is meant for different functions, such as: activating or deactivating the alarm; starting, stopping and returning-to-zero of the chronograph
Main Case Made in Japan: stainless steel black PVD coated, Ø 34 mm, thickness 5,5 mm.  
PVD stands for Physical Vapor Deposition. The coating is affixed to the case/bracelet in a vacume chamber. The coating (or layers of coating) is a carbon deposition.  
It was traditionally applied to military or "tactical" watches as an anti-glare mechanism so that the metal would not shine in the sun.
Swiss Made Bracelet: stainless steel black PVD coated, folding clasp with spring and BMW logo on the clasp 
Dial: white dial with BMW M-logo, and LCD display for additional features, black printed Arabic numerals for the hours, black printed markers for the minutes and black hands. Luminous hands and hour indices.
Made in Switzerland for BMW by Piquot-Meridian with ETA cal.958.332