1970s Eterna Sonic in 18K Case

Eterna Sonic, Electronic 18K Yellow Gold Tuning Fork Mvmnt


CHF 2,700
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Good / Very good condition 1970s Eterna Sonic housing the Bulova derived tuning fork-movement. The movement was serviced and is in very good condition, and looking forward to make precise 300Hz tunes for the next 50 years.


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