Original Seiko Sperrklinkenfeder (1 Stück) – Part 382620 (コハゼバネ) u.a. für Grand Seiko GMT Behind OUTLINEstands none other than

Behind OUTLINEstands none other than Yoshimasa Kikuchi – publisher of Japan's leading watch magazines such as Power Watch

Der Name ist Programm – OUTLINE steht für klare Linien

which is reflected in the high quality

inspired by vintage military and pilot watches

Original Seiko Sperrklinkenfeder (1 Stück) – Part 382620 (コハゼバネ) u.a. für Grand Seiko GMT Behind OUTLINEstands none other thanThis 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