Vintage SEIKO Ersatzteil – Clutch Cap / Copribascula (1 Stück) (Ref. 386180) - NOS GMT tight lugs or certain “sport”

tight lugs or certain “sport” and diver watches

Reisepass und kleine Essentials– Abgerundete Trapezform

This model takes its cue from the color of the "Mockingbird" cocktail—a mix of tequila

a hacking seconds function

Vintage SEIKO Ersatzteil – Clutch Cap / Copribascula (1 Stück) (Ref. 386180) - NOS GMT tight lugs or certain “sport”Rare NOS component ( Ura osae) for mechanical Seiko watch movements This original SEIKO spare part, reference 386180, is a historical component from the mechanical era (Universe series). It is the so called clutch cap copribascula (Japanese : ) a small but functionally important retaining plate within the clutch winding mechanism. Due to decades of individual storage in sealed bags, this is genuine NOS material from the early to mid Seiko mechanical