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Discussion Starter · #1 ·
Hi Everyone.

Sunday night and I was a bit bored. So I thought I'd test the claims made my Sinn on how its U series watches are able to withstand the rigors of the Lloyd Germanischer tests.


My U1 goes into a glass of cold water which then goes into the freezer. The time is 9.33pm 18th April.


At 11.50pm, the surface of the water has turned to ice. So we are not there yet.


2.03am, 19th April. More ice has formed but I still see fine air bubbles in the center of the glass. Watch still ticking away.


About 6.35am. Now we are there. The water has completely frozen.


It was a bit of a tight squeeze. Part of the ice on the top popped out.

http://farm5.static.flickr.com/4048/4532991318_aa0d7ef05e_b.jpg[img]
The thawing begins.

[img]http://farm3.static.flickr.com/2750/4532420985_c5fcca6920_b.jpg
6.40am. The U1 still embedded in ice. As far as I can tell, the U1 is still functioning perfectly.


6.43am. It's finally free.


6.44am. Wrist shot. Condensation is only on the outside of the watch.


6.48am. The Sinn U1 after 9 hours in the freezer. Everything a-ok!

Thanks for looking.
 

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Hello Nick,

It is good to see you are enjoying your Sinn U1. Of course, we expected
the U1 to withstand this test. It seems a test of the ETA movement more
than the U1 case. I wonder if you happened to test the time keeping during
this temperature cycle.

You might consider letting the members here review your test plan before
your next watch test. :)

Thanks,
rationaltime
 

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Quite a cool experiment. It's not something I have ever considered doing with my watches, but maybe the braver people should. Anyone got access to MilSpec810d environmental test rigs for some unofficial experiments ? Shake me to the limit one more time...?

hugel
 

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Nick M -
Thanks for the photos and experiment. Very cool. I'm trying to get my hands on a used U1. Looks and sounds like a great watch. I'm currently considering a Breitling Avenger Seawolf, Omega SeaMaster 2254.50 or the Sinn U1. Do you guys out there recommend the U1? Thanks.
 

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Untimely, I totally recommend the U1. Its less than half the price of the other two and really well specc'ed.

I was saving for a Seamaser but changed my mind and am now closing in on the U1. I actually checked out the Seamaster in a jewellery store the other day and TBH I am not that struck on it anymore, just looks less of a tool watch and more fragile than the U1.
 

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Discussion Starter · #6 ·
Hello Nick,

It is good to see you are enjoying your Sinn U1. Of course, we expected
the U1 to withstand this test. It seems a test of the ETA movement more
than the U1 case. I wonder if you happened to test the time keeping during
this temperature cycle.

You might consider letting the members here review your test plan before
your next watch test. :)

Thanks,
rationaltime
Will do. The next time I won't immerse it in water, but just leave it in the freezer. It's hard to view the dial once the ice completely forms. But I'd need to get a thermostat just so I know how cold it gets.
 

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Very cool Nick, thanks for taking the time to do this and post the pics and results.
 

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Thanks Nick. BTW, you're NUTS.. :-d
 
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Very cool. Thanks for posting!
 

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hi
well thats a test,don't think i would do that to any of my watches .
just proves they are good. :)
i would quite like one of these:-!
 

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Hi Everyone.

Sunday night and I was a bit bored. So I thought I'd test the claims made my Sinn on how its U series watches are able to withstand the rigors of the Lloyd Germanischer tests.


My U1 goes into a glass of cold water which then goes into the freezer. The time is 9.33pm 18th April.


At 11.50pm, the surface of the water has turned to ice. So we are not there yet.


2.03am, 19th April. More ice has formed but I still see fine air bubbles in the center of the glass. Watch still ticking away.


About 6.35am. Now we are there. The water has completely frozen.


It was a bit of a tight squeeze. Part of the ice on the top popped out.

http://farm5.static.flickr.com/4048/4532991318_aa0d7ef05e_b.jpg[img]
The thawing begins.

[IMG]http://farm3.static.flickr.com/2750/4532420985_c5fcca6920_b.jpg
6.40am. The U1 still embedded in ice. As far as I can tell, the U1 is still functioning perfectly.


6.43am. It's finally free.


6.44am. Wrist shot. Condensation is only on the outside of the watch.


6.48am. The Sinn U1 after 9 hours in the freezer. Everything a-ok!

Thanks for looking.
Yep, ya right your freezer ain't working right, took way too long to freeze .....
 

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Holy necropost, Batman! Would have been more impressive had he been wearing it during the test...
 
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Holy necropost, Batman! Would have been more impressive had he been wearing it during the test...
Ha,ha,ha,ha, I wonder how many got this,
 

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Im quite certain you can do that with any watch ;-)
Nick - let's try with a Stowa or Nomos now (?)
;-)
By themselves or while being worn?
 
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