Case no: 104xxxxx / 4-770072-K
Function: Hour, min & sec hands with date & english or kanji day wheel
Caliber: 7710
Vibrations per hour: 28,800
Production year: Apr 1972's
Driving system: Automatic winding with manual winding & hacking (Stop the sec hands)
Jewels: 26 Jewels
Dial: Nice silver color dial (Dial turn color)
Dial no: JAPAN 6-770037-Y
Crystal: Glass
Bezel: -
Crown: Signed CTZ original
Case: Stainless steel (Fine scratches)
Case back: Stainless steel (Fine scratches)
Dimensions of case: 36 x 42 mm (Excluding crown)
Case lug width: 18mm
Band: Hand made leather strap
Condition: Used, working, very fine in as found condition as you can see at the Picture
Service: Yes
Power reserve: Fully wind or charged will last up to 35 to 40 hour's depend on movement
Accuracy: Tested flat & it's within 60 sec. Please see the last pic
Quick set: Yes, DO NOT QUICK SET THE DAY OR DATE WITHIN 10 TO 4 O'CLOCK
Press the crown to set day & date or face the dial outward to set day or face the dial inward to set date
(Set the time to 5.30 or 6.30 than quick set the day or date will be better)
Remarks: This watch are used in Japan