Collection: Seiko Movement Stems

Browse our range of Seiko movement stems, engineered for a perfect fit with popular Seiko calibers including NH35, NH36, 7S26, 4R35, and 6R15. Each stem is precision-cut and hardened for durability, ensuring smooth crown operation and reliable engagement. Ideal for watch modders, builders, and repair professionals, our Seiko replacement stems provide seamless compatibility with OEM and aftermarket crowns. Whether you’re restoring a vintage Seiko or customizing your next build, our high-quality Seiko movement stems deliver the precision and performance your project deserves.