BLS new product release: Breitling Aviation Chronograph [Appearance Consistent] The watch size is 43mm*thickness 15mm. BLS factory purchases the original and disassembles it to ensure that each case is polished and chamfered to achieve 95% restoration of the original [Wording Consistent] The wording coloring, scale, font size and distance of the original are followed. The factory spares no detail. Compared with small factories on the market, it is highly recognizable [Function Consistent] Bidirectional ratchet rotating bezel, circular flight slide rule, complex timing small dial function! Completely consistent with the original wrist rhythm, BLS creates a real "time management" Breitling Aviation Chronograph for you!