Domed or flat sapphire crystal on Alpina Seastrong/Extreme 300 Diver?
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Thread: Domed or flat sapphire crystal on Alpina Seastrong/Extreme 300 Diver?

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  1. #1
    Member RTea's Avatar
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    Domed or flat sapphire crystal on Alpina Seastrong/Extreme 300 Diver?

    Hi all,

    Was just curious if anyone could chime if their Alpina Seastrong/Extreme Diver 300 model has a domed or flat sapphire crystal. The pictures make it look flat sometimes but domed at others. The Seastrong version looks like it's begging for a domed crystal and I already have a flat crystal in my collection and would love a vintage styled watch with a nice domed crystal.

    Models in question:
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  2. #2
    Member Nokie's Avatar
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    Re: Domed or flat sapphire crystal on Alpina Seastrong/Extreme 300 Diver?

    I believe it is flat, but some of the pictures do tend to make it looked domed.

    Hopefully others with more knowledge will chime in.
    RTea likes this.
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  3. #3
    Member jalquiza's Avatar
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    Re: Domed or flat sapphire crystal on Alpina Seastrong/Extreme 300 Diver?

    On my original Extreme 300M, the sapphire is flat. The edge near the dial however has a nice bevel, which may be what's visually hinting to you that it's domed.
    Last edited by jalquiza; 2 Weeks Ago at 21:07.
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