Glashütte Original Senator Navigator 100-09-07-05-04 and 100-09-07-04-04
Trying to determine the difference between these two watches.
Could it be that one is an exhibition back and the other solid?
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The former has a transparent caseback, yes,
while the latter a solid one. The case number is situated in the middle of the solid caseback and at the side by the other model with the transparent back. Because the one with the normal ( solid ) caseback is the older model, it has different type of buc...