Brand: SEIKOMATIC DIASHOCK SM153 (06/10/19 2130)
Vibrations per hour: 18,000
Crystal: Acrylic (Some fine scratches)
Case lug width: 19mm
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 date & pull out the crown to secound 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 the day or date will be better)