Trademarks/imprint:JUNGHANS; six-pointed star with white J; astro quartz; below 6: MADE IN GERMANY; Back: STAINLESS STEEL BACK SHOCK- AND WATERRESISTANT 5ATÜ MADE IN GERMANY
Number of jewels: 13
Escapement: Quarz
Dimensions of movement:
Time of production: 1971 – 1974
Functions: hacking, date quick set; crown at the back
Display: hour, minute, sweep second, date at 3
Dial: structured dark blue; applied, chrome-plated bar hour indexes, at the outer end lume dots; printed black minute line on outer metal ring
Hands: chromed bars with white line and lume
Second hand: small thread with counterweight
Case shape: Cushion
Case diameter (mm): 40
Case material: Steel
Back: Steel
Reference number: 10/4503 RR (on original box)
Bracelet and clasp: not original
Reference number: 010/4504 (with steel bracelet)
Remark
Junghans 666.25; front
Junghans 666.25; in original box (bracelet not original)
Junghans 666.25; front
Junghans 666.25; box
This watch with the original box shows changing colours of its dial, depending on the angle of light incidence.
The box is original.
The watch in the 1976 advertisement
Junghans 666 astro quartz advertisment 1976
Junghans 666 astro quartz advertisment 1976
The watch was advertised in 1976 and cost with steel bracelet a proud 740,- DM!