Gender: Men's
Case no: 81xxxx / 6306-8010
Function: Hour, min & sec hands with date & english or kanji day wheel
Caliber: 6306A
Vibrations per hour: 21,600
Production year: Jan 1978's
Driving system: Automatic winding with hacking (Stop the sec hands)
Jewels: 21 Jewels
Dial: Nice blue color pattern dial original
Dial no: JAPAN 6306-8002 T
Crystal: Glass (Fine scratches)
Bezel: -
Crown: Unsigned screw in crown original
Case: Stainless steel (Fine scratches)
Case back: Stainless steel (Fine scratches)
Dimensions of case: 37.5 x 41.5 mm (Excluding crown)
Case lug width: 18mm
Band: Signed SEIKO bracelet (Fine scratches) 18cm
Condition: Used, working, very fine in as found condition as you can see at the Picture
Service: -
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
Pull out the crown to the first click to set day & date or pull out the crown to secound to set time
(Set the time to 5.30 or 6.30 than quick set will be better)
Remarks: This watch are used in Japan