5402ST, Royal Oak, A-Series, Steel Tank Normale E335 is an early Lecoultre

E335 is an early Lecoultre chronograph made largely for the US market with column-wheel Valjoux 72

Made in roughly 2

both inverting the presentation and completely reshaping its appearance

and restrained independent watchmaking from Denis Flageollet

a novel mechanism for simultaneous advancement of the local time display and the city disk

5402ST, Royal Oak, A-Series, Steel Tank Normale E335 is an early LecoultreA ref. 5402ST A Series Royal Oak, from the very first years of the Royal Oak. This is the origin of that classic design, now more revered than ever. Designed by Grald Genta and unveiled at Basel in 1972, it was a turning point for watches as a whole. With a 7mm thin case and integrated bracelet, it began the category of integrated bracelet sports watch. This is a beautifully honest A Series with a lightly aged dial and strong case.