Condition Rank : Excellent
(Full serviced on Aug 31, 2025)
[Description of services]
Full disassembly, cleaning, inspection, lubrication, and assembly.
[Features]
Ref:6426 / cal.1220 / 21600bph / 34mm case (excluding crown) / 19mm lug / Rare 1984 Serial (But the serial number is unclear)
Beautiful movement, rare crown mark on the base plate
Accuracy -5~+4 sec/day
Serial Number : 8xxxxxx
Year of manufacture : c.1984
Non-Waterproof
It is not possible to describe all of the conditions in writing. Please check the photos carefully if you would like to know more about the condition. Also, if you have any questions, please ask.
[Dial] : Excellent
[Hands] : Excellent
[Crystal] : Very Good
Plexiglass
[Case, crown and back of the case] : Good
Crown screw-in is good. (0.75 turn of crown to unlock)
The serial number engraving is almost impossible to read.
Only the first digit “8” and the last digit “9” are somehow legible.
[Band] :New (Leather straps, not genuine)
[Action] : Very Good
It runs well by Hand-winding.
We've seen it run for long hours.
The winding of the crown is very good.
Beautiful movement, rare crown mark on the base plate
[Accuracy] : Excellent
The day difference time is about -5~+4 sec / day.
(Measured by Timegraphers)
The accuracy may vary depending on the posture.
This is a vintage watch, so do not expect the same accuracy as a quartz watch.
If you are looking for perfect accuracy, please do not buy.
