Horological Meandering

Here is another beauty I was Lucky to see, recently. ZRC is not a well know brand, but it deserves some attention for their particular and very specific diving watches. Here is a magnificient Brown dialed one. The location of the crown, at 6 o clock, is o...  

.. how the winding comfort & capability (also on the wrist) would be ?.. The case to me looks like 70ies, but may be earlier, I guess.. Quite individualistic companion, this one ! Thx for the pics & Best, hs

but I prefer the no-date version. This one's not half bad nonetheless. Darren