Well, I bought the Sekine and am very impressed. The bike still has all of its quick release art work and the paint is not all that bad, sporting the usual blemishes a forty year old, little used, bicycle might have, If I were to keep the bike, I would build it up exactly like my last one, with a full Shimano Arabesque group. And, the 27" x 1 3/8" tires would be out the door, replaced by 1 1/8" ones.
Unfortunately, or not, it is not up to me. The bike was purchased for a fellow in the US who wanted an example of a Canadian Sekine. And, in my opinion, he lucked out...