Brand: SEIKO BUSINESS-A DIASHOCK SBA31 (18/08/19 2130)
Gender: Men's
Case no: 76xxxxx / 8346-9020
Function: Hour, min & sec hands with day & date
Caliber: 8346A
Vibrations per hour: 18,000
Vibrations per hour: 18,000
Production year: June 1967's
Driving system: Automatic winding with manual winding
Jewels: 27 Jewels
Dial: Nice matte silver color dial original (One fine stain)
Dial no: JAPAN 8346-9030T AD
Crystal: Acrylic (Some fine hair scratches)
Crystal: Acrylic (Some fine hair scratches)
Bezel: -
Crown: Unsigned original
Case: Stainless steel (Fine scratches)
Dimensions of case: 36 x 39.5 mm (Excluding crown)
Case lug width: 18mm
Case lug width: 18mm
Band: New leather strap
Condition: Used, working, very fine in as found condition as you can see at the Picture
Service: Yes
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)
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)
Remarks: This watch are used in Japan