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STEP 5:
SHORTENING THE SILICONE STRAP

Be very careful when shortening the silicone strap!

In all cases, shortening of the silicone strap should be carried out symmetrically 
and on a step-by-step basis until the desired strap length has been achieved. 
If asymmetric shortening is necessary, the contact side should be shortened 
more. Keep trying on the silicone strap in between. Shortening on both sides by 
one hole in each case corresponds to a reduction of the total size by 10 mm – 
a one-sided length reduction of 5 mm.  

Please note:

 As described in 

Step 3

, the stud on the silicone strap half without 

the SINN logo must always be in position 

2

 – a metal pin is always located 

in position 

1

. Use the stud to determine the margin for the strap-length 

quick adjustment so that you will be able to compensate for a changed wrist 
circumference (e.g. due to temperature-related variations). To use a minimum 
margin, at least four positions should always be occupied on the silicone strap 
half without the SINN logo, in the following sequence: Metal pin 

1

, stud 

2

 

and two additional metal pins 

3

 

4

 (see diagram).

1

2

3

4

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