Brand: SEIKOMATIC-P
SM142 (28/04/19 2130)
Gender: Men's
Case no: 80xxxx / 5106-7030
Function: Hour, min & sec hands with day & date
Caliber: 5106
Vibrations per hour: 19,800
Production year: Oct 1968's
Driving system: Automatic winding with manual winding & hacking (Stop the sec hands)
Dial: Nice gray color pattern dial original
Dial no: JAPAN 5106-7030R AD
Crown: Unsigned original (Press the center of the crown to set date)
Case: Stainless steel (Fine scratches)
Dimensions of case: 37.5 x 41 mm (Excluding crown)
Case lug width: 18mm
Condition: Used, Working, Very fine in as found condition as you can see at the Picture
Service: Yes
Accuracy: Tested flat & it's within 60 sec. Please see the last pic
Quick set: Yes, DO NOT QUICK SET THE DAY & DATE WITHIN 10 TO 4 O'CLOCK
Press the center of the crown to set date or pull out the crown to the first click to set time & turn it by 24 hour's to set day (Set the time to 5.30 or 6.30 than quick set will be better)
Remarks: This watch are used in Japan