Brand: SEIKO DIVER'S WATER 150m RESIST
SD15 (21/01/19 1330)
Gender: Men's
Case no: 6Dxxxx / 6306-7001
Function: Hour, min & sec hands with date & english or kanji day wheel
Caliber: 6306
Vibrations per hour: 21,600
Production year: Dec 1976's
Driving system: Automatic winding with hacking (Stop the sec hands)
Dial: Nice black color dial original (Some very fine stain around the dial side)
Dial no: JAPAN 6306-700L T
Crystal: Glass
Bezel: Can be rotate both way with clicking
Crown: Unsigned screw in crown
Case: Stainless steel (Fine scratches & small dent)
Dimensions of case: 43.5 x 45 mm (Excluding crown)
Case lug width: 22mm
Condition: Used, working, very fine in as found condition as you can see at the Picture
Service: -
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 (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