I wouldn't recommend I had two of these Seiko Prospex Solar Sumo chronograph in black watches from Ernest Jones, but both had to be returned. Ernest jones were easy to deal with and refunded me when both the watches proved to be substandard. I am a Seiko fan but recently I have had some issues with the non-mechanical watches. I also has another solar watch which had to be returned because it suddenly just failed and could not be recharged. Luckily, that one too was within the return period - so not very long. Any case, these two Prospex Sumo Chronographs were either seconds, or they had come from the (Japanese) factory with bad quality control. The first one had to be retuned because there were scratches over the edge of the bracelet where a link had been removed. Also some of the Lins had been forced and the 'holes' damaged and widened. For those who don't know Seiko, these are ' pin and collar' bracelets so could be difficult to adjust if you don't know what you are doing. This was supposed to have not been previously adjusted, but I could see that it must have been, as the pin had not been properly secured with the collar. The bezel action was good, but the lining up with the rest of the watch, chapter ring, etc., was way out, and I mean way out. I know this is a common complaint with Seiko watches but this was a big and noticeable discrepancy. I am not that fussy, but I decided, after a couple of days that I could not put up with it, so bad was it. The bezel action and the rest of the build quality was good though. Anyway, this first watch was returned and Ernest Jones ordered a 'new' replacement. This arrived very quickly, which I was pleased about. The watch did look new (no box, etc., came with it), but unfortunately it had other issues. The bezel on this one did line up but was much looser, almost too loose, but that did not bother me particularly, but what did, was that the pushers for the chronograph function could not be screwed down as the threads or the rubber washers, at the end of the thread travel, could not be screwed tight as they just came undone because the threads seemed stripped. The slightest movement would loosen them. I knew this could not be right because the previous watch that this one replaced had performed this function very well. The big deal is that if the pusher buttons do not screw down, it means that the watch is not waterproof at all. Frankly, one of the things that you are paying for with this watch is that it is a waterproof chronograph, which is a bit more unusual. This movement seemed OK, but, generally, I would not recommend solar movements as the previous watch I had before this, A Seiko Prospex Land compass bezel watch, with had the previous V176 movement just suddenly failed. This later movement is supposed to be much better, but I won't be trying another Solar Seiko at this stage. I'll stick to their mechanical watches. I have to say that I got a good price on this Seiko Solar Sumo because I got it in the Sale, but it turned out they weren't bargains, they were busted or seconds. So, although the build quality on the first watch (minus the bezel lineup and the scratches) seemed good, I cannot rate this watch highly. Ernest Jones were easy to deal with and the manager of the store where I went seemed very professional.
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