Seiko (TMI) NH36 Automatic Movement - Day Date @ 4H Crown (Black)Day + date, aligned for 4 o'clock crowns. Genuine Seiko NH36 automatic movement with day and date wheels aligned for cases with the crown at 4 o'clock. Same day+date platform as the standard NH36, but the calendar is positioned for a 4 o'clock crown case. Use this version only when your case has its crown at 4 o'clock. Two accuracy grades. One genuine Seiko caliber, QC passed by TMI. Pick Regulated for watchmaker tuned precision, or Non Regulated for

The NH34's GMT gear train sits proud of the movement

A live view of the escapement on the dial side

The original and genuine SEIKO 5 Sports SRPD Diver Dial

and (iii) flat sapphire crystal

Drilled-through lugs and slightly pointed crown guards — faithful to the era's tool divers

A finished dial still needs a matching set of hands to tell time

raised silver indices — mirror-finished

SNK811 and 7S26-02J0 watch cases

Model SKX009K1

Bracelet/Clasp Length 21mm Maximum Adjustment

Everyday precision

A handset this considered asks for a builder who is too