I was looking for a robust large automatic. The Grand Diver met all my buying criteria. Have instead of the steel strip a black 5 ring zulu montiert.Des absolutely outrageous the transition of Seiko 35nh work, in my case is +2 sec. In 24 deviation !!!!! I had or Have some Automatiks (oris, Zeno, orient mako part with the acclaimed Swiss armored caliber ETA2824) but no einizige runs as precise. The clock runs fits perfectly on my wrist 23cm. For the money, there a lot of clock, strike as long as it is part is still available with this work.