NH70 Skeleton Automatic Movement the two most common first-build

the two most common first-build mistakes

8 mm dial drops into the Seikonaut Nautilus-style 40 mm case and other 30

Browse all Petrichor 37mm watches · Petrichor mod parts · Petrichor style parts

600 bph frequency

NH70 Skeleton Automatic Movement the two most common first-buildThe Seiko NH70 is the entry level skeleton movement in the NH family. Manufactured by TMI (Time Module Inc.), a subsidiary of Seiko Instruments, the NH70 features open worked bridges in a natural silver finish that expose the movements inner mechanics through a skeleton dial. It shares the 21,600 bph frequency, 24 jewels, 41 hour power reserve, hacking, and hand winding of the solid NH35 family, but trades the date complication for the open worked