Hamilton 836 2575 Date jumper spring. ETA 2873 equivalent The Date jumper spring is an authentic part from a watch movement by Hamilton. Spring into precision with the Hamilton 836 2575 Date jumper spring—where every tick counts!Experience the epitome of watchmaking excellence with the Hamilton 836 2575 Date jumper spring, meticulously crafted to ensure your timepiece keeps perfect time, day after day. As a critical component in the date mechanism, this spring is engineered with the same commitment to quality and reliability that Hamilton is renowned for. Whether you're restoring a cherished heirloom or maintaining your favorite watch, this genuine part brings new life to your timepiece, guaranteeing smooth date changes and enduring performance. Invest in precision, and let every moment count with the assurance that only authentic Hamilton parts can provide. Elevate your watch’s functionality and enjoy the peace of mind that comes from choosing Hamilton—the brand that defines timeless innovation.