Brand: SEIKO CRONOS SELF DATER DIASHOCK
31 (04/09/22 2130)
Gender: Men's
Case no: N21xxxx / J15010E CA
Function: Hour, min & sec hands with date
Caliber: -
Vibrations per hour: 18,000
Driving system: Hand winding
Dial: Nice silver color dial original (Some very fine stain)
Dial no: JAPAN CSJ15N339E
Crystal: Acrylic (Some fine hair scratches)
Case: Stainless steel (Fine scratches & very small dent)
Case back: Stainless steel (Fine scratches)
Dimensions of case: 35.5 x 43.5mm (Excluding crown)
Case lug width: 19mm
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: No, Pull out the crown to the first click to set time & turn it by 24 hour's to set date
Remarks: This watch are used in Japan