Seamaster Test Results

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mattcantwin
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Seamaster Test Results

Post by mattcantwin » Tue Dec 25, 2018 12:38 pm

Finally got around to getting the Seamaster's test results on-line (Calibre 8800).

Results completed at METAS.

The Swiss Federal Institute of Metrology (METAS) has ensured that testing for the Master Chronometer
leaves no room for doubt.

Including exposure to a magnetic force of 15,000 gauss, each watch is subjected to eight separate examinations,
with every step carefully checking for function and accuracy. It goes without saying, that the margins for passing these independent tests are much tighter than those set by Contrôle Officiel Suisse des Chronomètres (COSC).



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Each test is described and an image provided via a pull down option alongside the result.


The WIS in me thinks all this is pretty damn cool.



FUNCTION OF COSC-APPROVED MOVEMENT DURING EXPOSURE TO 15,000 GAUSS (1.5 TESLA) MAGNETIC FIELD

This test examines the movement of the watch, placing it in two different positions and subjecting it to a magnetic field of 15,000 gauss.

The functioning of the movement is audibly checked using a microphone.

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FUNCTION OF WATCH DURING EXPOSURE TO 15,000 GAUSS MAGNETIC FIELD

In this test, the watch is subjected to a magnetic field of 15,000 gauss.

While exposed to this field, the functioning of the watch is audibly checked using a microphone.

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DEVIATION OF DAILY CHRONOMETRIC PRECISION AFTER EXPOSURE TO 15,000 GAUSS

In this test, the watch is subjected to a magnetic field of 15,000 gauss and its chronometric precision is calculated after 24 hours.

The next day, the watch is demagnetised and the chronometric precision is calculated after another 24 hours.

We show the minimal deviation between the two days.

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AVERAGE DAILY CHRONOMETRIC PRECISION OF THE WATCH

This test is carried out over four days. During these days, the watch is placed in six different positions and two alternating temperature zones.

It is also exposed to a magnetic field of 15,000 gauss. Chronometric precision is recorded each day.

At the end of the four days, the results are used to calculate a daily average.


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POWER RESERVE

This test checks the power reserve of the watch by proving that it continues to function at the limit of its expected capacity.


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DEVIATION OF CHRONOMETRIC PRECISION IN SIX POSITIONS

In this test, the watch is placed in six different positions and its chronometric precision is recorded in each one.

Out of these six results, we show the deviation between the two most extreme results known as the Delta.


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DEVIATION OF CHRONOMETRIC PRECISION BETWEEN 100% AND 33% OF POWER RESERVE

In this test, the watch is placed in six different positions and its chronometric precision is recorded at 100% power reserve in each one.

This process is repeated when the power reserve of the watch reaches 33%.

We then take the average results of the six measures during both states of the power reserve and give the deviation between the two.


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WATER RESISTANCE

This test submerges the watch underwater, gradually applying more pressure up the point of the stated water resistance.

This ensures that each watch is properly tested for underwater conditions.


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Last edited by mattcantwin on Tue Dec 25, 2018 3:30 pm, edited 1 time in total.
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ericf4
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Re: Seamaster Test Results

Post by ericf4 » Tue Dec 25, 2018 1:27 pm

Damn cool Matt. I need to login to see my results.

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rockmastermike
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Re: Seamaster Test Results

Post by rockmastermike » Tue Dec 25, 2018 1:47 pm

mattcantwin wrote:
Tue Dec 25, 2018 12:38 pm

DEVIATION OF CHRONOMETRIC PRECISION BETWEEN 100% AND 33% OF POWER RESERVE

In this test, the watch is placed in six different positions and its chronometric precision is recorded at 100% power reserve in each one.

This process is repeated when the power reserve of the watch reaches 33%.

We then take the average results of the six measures during both states of the power reserve and give the deviation between the two
This is my favorite test / result :thumbsup:

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jimyritz
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Re: Seamaster Test Results

Post by jimyritz » Tue Dec 25, 2018 3:03 pm

Great stuff Matt- the watch punches way above its weight..

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:cheers:
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ericf4
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Re: Seamaster Test Results

Post by ericf4 » Tue Dec 25, 2018 4:14 pm

Dammit I want one. Need to see all 3 blue, black And silver in person.

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