Original Seiko Sperrklinkenfeder (1 Stück) – Part 382620 (コハゼバネ) u.a. für Grand Seiko Taucheruhr power reserve: 42 hours

power reserve: 42 hours

and precision

very flat housing with a height of only 7

kühlen Kontrast und gleiten über die reliefierten Konturen

Material: Smooth cowhide leather

Original Seiko Sperrklinkenfeder (1 Stück) – Part 382620 (コハゼバネ) u.a. für Grand Seiko Taucheruhr power reserve: 42 hoursThis extremely rare original Seiko ratchet spring is an essential component for the restoration of early mechanical Seiko calibers. The spring securely holds the winding ratchet in position and prevents the mainspring barrel from rewinding a small part with a big function. The spare part bears the official Seiko part number 382620 and comes from historical factory stock (NOS New Old Stock). Compatible Seiko calibers and models This spring has been