Brand: SEIKO LORD MATIC SPECIAL SL157 (05/07/20 2130)
Vibrations per hour: 28,800
Crystal: Acrylic original (Fine hair scratches)
Case back: Stainless steel (Fine scratches)
Case lug width: 20mm
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 or date & pull out the crown to secound click to set time (For all 52xx movement can only be quick set at afternoon/pm timing on the watch) Set the time to 5.30 or 6.30 than quick set the day or date will be better