The prototype watch launched in 1972 has been included in the Cartier collection. The pebble-like round case cleverly blends the round (case) and square (dial), presenting a simple and elegant aesthetic. The size of the watch is 35mm, and the case buckle is made of Imported stainless steel with 18k gold electroplating in a vacuum furnace. As a milestone in the history of Cartier watchmaking, these masterpieces have achieved excellence in the field of stylish watches and are highly sought after by watch enthusiasts. Their rarity is increasing day by day. Square Roman The digital time scale, the track on the inner ring is used as a scale to identify the specific time, the hands are made of blue steel sword needles, and the bead-shaped crown is inlaid with blue synthetic gems. Only after countless battles can we achieve the perfect score! The imported cowhide leather straps are all carefully selected and have the same color and texture as the original, and all details are perfectly restored.