Citizen Promaster PMT56-2712

Introduction

I bought this watch because it has a set of features I was lacking in my other watches, particularily that it's solar powered and has a perpetual calendar (which isn't all). In use it's proven itself to be comfortable, legible, very practical and a watch I often think of as my first choice.

Brief description

It comes with a blue nylon watch band, with a titanium buckle and eyelets. The dial is blue. The surface is partially brushed, in part polished, to nice effect. I haven't tested the scratch resistance which is supposed to be good, but at least it doesn't get scratches very easily.

Diameter is 40 mm and it's 10 mm thick. Strap width is 20 mm.

Features

It is very easy to use the features.

To change time zone: Unscrew the crown, push the button next to it and turn the crown to change the shown time by exactly one hour, wait 30 s and screw in the crown again. It will keep track of minutes and seconds so you don't need to think about those.

To set the time: Unscrew the crown, pull out two stops, the second hand moves to 12 and stops, turning the crown changes the time a minute at a time, push in crown when it's xx:xx:00. Thus no need to make an effort to get the minute hand to line up with the markers.

It has more functions, but those two are in practice the only ones you need to use, provided it's set to the correct date. (That is what the first stop of the crown is for.) There's also a microadjustment feature.

Legibility

The luminous compound on the dial is a bit thinly applied, so you can't read the numerals in darkness, but the triangle at 12 is distinct from them and well visible and it and the hands remain clearly legible after 24 h + one night in darkness, which I think is quite enough for a light powered watch.

Power save functions

In low light levels, the second hand runs for 60 s and then stops next time it comes to 12. Bring it out in light again and it goes to the correct position in <2 s. This is the part which can be a bit annoying, since it happens nearly every time you look at the watch if you wear it under a shirt sleeve. Wouldn't help much if it kept running for 5 min or more as that would mainly just waste power, so I think it's a correct engineering choice.

While the second hand is stopped, the minute hand will continue to advance in 1/4 min steps every 15 s.

After days in darkness, the hands and date wheel will stop. Out in light again it'll show the correct time in just a few seconds.

The manual tells you how much light the watch needs to get fully charged (and that overcharging isn't a problem), but I'd also like to know how many hours per day it needs to get just enough light to keep the second hand moving in order to run 24 hours.

One thing I don't like

The thing I don't like about it is that the name tag/keeper on the strap has fields for name, nationality, blood type and birth day. Putting the blood type on a watch is really stupid and serves no purpose.

The manual

The manual is very good. Not only does it clearly explain everything you need to know, it's also written very well. After perusing it for a while I realised it doesn't at all give the impression it's translated from Japanese.

Links

More and better photos.


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