The limited-edition promaster tsuno chrono racer is the latest addition to the promaster land collection in a striking design inspired by citizen’s racing roots. 44mm stainless steel case light blue dial with black and red accents and racing-themed sub-dials, including a power reserve indicator resembling a fuel gauge black tachymeter bezel flat sapphire crystal sustainably powered by any light with eco-drive technology, this watch never needs a battery perforated black leather strap with blue contrast stitching; buckle clasp 200-meter water resistance caliber e210 limited to 4,973 unnumbered pieces worldwide