VDO Manual Winding Clock Identification

[Crudbud]

I, bought this clock a long time ago, at an estate sale, and would like to know if it could be a VW accessory clock or ? It is stamped 5/57 assuming the date. The big knob is for winding the clock, so it would need to be easily accessible, for winding and setting the time. It appears to have an electrical connection for illumination, assuming 6v. Thanks.

[IN2VWS]

Goliath GP700 clock
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