Brand: SEIKOMATIC DIASHOCK
SM174 (30/01/22 2130)
Gender: Men's
Case no: 64xxxxx / 6206-8090
Function: Hour, min & sec hands with day & date
Caliber: 6206
Vibrations per hour: 18,000
Production year: Apr 1966's
Driving system: Automatic winding
Dial: Nice silver color dial original
Dial no: JAPAN 6206-8100TAD
Crystal: Acrylic (Fine scratches)
Bezel: Some silver color faded on the outer ring
Case: Stainless steel (Fine scratches & very small dent)
Case back: Stainless steel (Fine scratches)
Dimensions of case: 37 x 44.5 mm (Excluding crown)
Case lug width: 19mm
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
Pull out the crown to the first click to set date & pull out the crown to secound click to set time or 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