Brand: OLYMPIA ORIENT WEEKLY SPECIAL OV83 (02/08/20 2130)
Vibrations per hour: 18,000
Crystal: Acrylic (Some fine hair scratches)
Case back: Stainless steel (Fine scratches)
Case lug width: 18mm
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: No, Pull out the crown to the first click & turn forward & backward from 8 to 12 to set date & turn it by 24 hour's to set day