Sinn U1 movement outlook

Sent my 9 Y.O Sinn U1 for full service today... The watch maker have a hard time to open the solid Tegimented steel caseback.. Due to the 1000m water resistance? 🤔..Inside is Sellita SW200-1… Out of curiousity, asked to peek and photograph the movement…

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Off-topic here, but I can’t help myself! that’s a very crunchy caseback gasket LMAO 😂!

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Mr.Santana

Off-topic here, but I can’t help myself! that’s a very crunchy caseback gasket LMAO 😂!

Probably viton?

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Did you sen it to RGM? - those guys are great to deal with.

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336934_SD

Did you sen it to RGM? - those guys are great to deal with.

No.. i’m in Singapore..