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timidhermit

macrumors 6502
Original poster
Jul 6, 2011
366
3
I got a new pair of 42 mm genuine Apple Sport Band.

I notice that I there is a very shallow dimple or depression around the buckle mechanism on sport band. It is very barely noticeable but can be felt if you run your finger over the surface. It is perfectly circular so I don't think it is a manufacturing defect. It is very difficult to capture it on camera, but I circled the area on the band to denote where it is located:

m_57c34ca72599fe75a300d70e_a.jpg


I don't own a sport band previously, so I can't make any comparison.

Anyone can solve this mystery? What is it for?
 

44267547

Cancelled
Jul 12, 2016
37,642
42,492
I got a new pair of 42 mm genuine Apple Sport Band.

I notice that I there is a very shallow dimple or depression around the buckle mechanism on sport band. It is very barely noticeable but can be felt if you run your finger over the surface. It is perfectly circular so I don't think it is a manufacturing defect. It is very difficult to capture it on camera, but I circled the area on the band to denote where it is located:

m_57c34ca72599fe75a300d70e_a.jpg


I don't own a sport band previously, so I can't make any comparison.

Anyone can solve this mystery? What is it for?

I own a plethora of OEM Apple Watch sport bands and none of them have this dimple you are referring to.
 
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timidhermit

macrumors 6502
Original poster
Jul 6, 2011
366
3
Thanks, Relentless Power, for the prompt reply and advice.

Following your observation, I used some 70% rubbing alcohol and rubbed vigorously on the dimple. It turns out that the dimple was a thin film of circular adhesive (perhaps part of the original packaging) which the solvent was able to remove. The band looks good how.

Is 70% rubbing alcohol harmful to fluoroelastomer material of the band?

I own a plethora of OEM Apple Watch sport bands and none of them have this dimple you are referring to.
 

44267547

Cancelled
Jul 12, 2016
37,642
42,492
Thanks, Relentless Power, for the prompt reply and advice.

Following your observation, I used some 70% rubbing alcohol and rubbed vigorously on the dimple. It turns out that the dimple was a thin film of circular adhesive (perhaps part of the original packaging) which the solvent was able to remove. The band looks good how.

Is 70% rubbing alcohol harmful to fluoroelastomer material of the band?

Not at all. Flueroastamer is highly durable. It's literally indestructible and stains can be easily removed off of it as well. I have seen even some forum members use one of those magic erasers for cleaning your household for removing stains off of the bands and it will not affect it at all.
 
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