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Plazeon chronograph


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recenze zde:

 

O0060743edit001.png

 

Používaný strojek Sea-gull ST 19 (do Číny legálně přesunutá výrobní linka Venusu- viz jinde na tomto fóru)

 

zdroj:

http://forums.watchuseek.com/showthread.php?t=84966

 

 

Výňatek ohledně používaného kalibru:

 

"The Seagull implementation of the ST19 has gotten mixed reviews: there are some who have very good results with watches using this movement, and then there are those who don?t. One consensus that appears to be emerging is that while the ST19 enjoys an excellent design and heritage, right now it is simply of uneven build quality. In the real world, this is manifested by widely different timing in different positions: leaving a watch with the ST19 face up for 4 hours might result, for instance, in a variance of +92s/day, but with face down it might be ?16s/day, with other positions, such as crown up, crown down, 12 o?clock down, 12?o?clock up, etc. etc., being equally off.

 

Now, these all equal out so that this particular watch had a rather decent accuracy of around +12s/day when worn all day and night (except for showers), but the vastly differing timing of the different positions is, for me, disturbing. I?ve gone and asked the experts over at the Watchmaking forum of WUS as to what makes a watch calibre behave this way: the watch clearly shows gravitational effects, reflecting probably at least a lack of dynamic poising of the balance wheel, indicating that this calibre is indeed true to its heritage: watches with these calibres need to have the watch worked on, ideally adjusted in 6 positions to ensure that the gravitational effects are minimized.

 

Now, that would drive the cost of the watch up significantly, since a proper adjustment would need, at a minimum, at least two hours of watchmaker?s time (6-position timing, disassembly of balance wheel and truing checks, with static and dynamic poising of the balance, reassembly and re-checking of the 6 positions) and possibly much more, depending on the build quality of the watch.

 

And that is a topic of its own. Seagull provides the ST-19 with what appears to be Geneva stripes on the balance bridge and on the chrono bridge, but these aren?t really Geneva stripes, but are instead stamped into the surface, rather than being the result of polishing these parts of the movement with a wooden stylus and a special chalk mixture. Further, the blued screws are a tad too bright and the ?wrong? shade of blue, pointing more likely to chemical bluing, rather than a heat-treated bluing process.

 

While both quibbles are admittedly pedantic, they raise some issues with the choice of movement. But that has nothing to do with the watch here in question: it has everything to do with the Chinese watch industry, which is outside of the scope of this watch review.

 

The build quality of the watch is fine, but I have a tiny quibble with the choice of a plastic retaining ring in conjunction with a very nice sapphire display back: you can see what it looks like here (sorry for the bad picture, but it was the only way to get it):"

Upraveno uživatelem ¨safi
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Design je IMHO super, strojek se mi libi, ale ta cena mi prijde vzhledem k puvodu trochu mimo:

http://www.watchuseek.com/site/plazeon_shop.htm

950 USD retail, na WUS za 550 USD... porad je to dost.

Alpha s Venus strojkem, akorat bez Pwr reserve stoji 120 USD, Plazeon bez PR 500. To je dost. I kdyz je pravda, ze baleni, sroubovacek, druhej remen tu cenu asi zvednou. Ale o tolik?

Proti Alpha nicmene hovori obslehnutej design (Poool Njuumen), naproti tomu Plazeon je dost svuj a navic hezkej ;)

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