SK4  Seiko Premier. Reference SPB003J1. Watch measures 42mm and is made from steel. Automatic Seiko movement caliber 6R20 which is the rare high beat 28,800 version. Sapphire crystals on both sides of the case. Waterproof 10ATM or 100 meters. Functions are hours, minutes, sweep deconds, day, date and power reserve indicator. This watch is fitted with a brand new original Seiko leather strap with steel folding clasp which is also brand new. Naturally this watch is complete with the original box and (open) papers. Rare find as the later versions of this watch are with the slow beat Seiko movement. As always great value for money! SOLD