1970s Eterna Sonic in 18K Case
Eterna Sonic, Electronic 18K Yellow Gold Tuning Fork Mvmnt
Sonic, Electronic 18K Yellow Gold Tuning Fork Mvmnt
- Time (Hour, Minute, Central Second)
Bork Finish Gold
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.