i need to know the diameter of the gauges in the cluster on my w123.

left side with the tank,oil,temp or the right side with the old school huge clock.

does some one have one laying around to put a ruler on or can someone recall the size??

Thnaks

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Current fleet
2006 E320 CDI
1992 300D - 5speed manual swapped

former members
1984 300D "Blues Mobile"

1978 300CD "El Toro"