A-serial; Swiss Only. Very good mechanical condition: amplitude 307 degrees / +8 sec per day.
We offered this Explorer earlier, without papers. The previous owner eventually happened to find the original warranty certificate.
black, Luminova, Swiss Only
stainless steel, smooth
generic black watch box
condition: first link of bracelet not adjustable (fixed screw)
tested by Wesselink & Vreeker, Alkmaar, more detailed information (test report) available on request