Seiko 6139 784610 First coupling lever w/screwSeiko 6139 784610 First coupling lever with 1 screw. Jewels all look great. The First coupling lever is an authentic part from a watch movement by Seiko. Connect with precisionSeikos first coupling lever keeps your time ticking flawlessly! Experience the pinnacle of Japanese watchmaking engineering with the Seiko 6139 784610 First Coupling Lever with Screw, a vital component designed specifically for precision and longevity. Crafted by the renowned

this setting lever screw is the unsung champion of reliability and accuracy

The Setting lever spring is an authentic part from a watch movement by Doxa

this essential part ensures that your timepiece operates with unparalleled accuracy

Rolex Cellini 1601 1806 Great Wheel

this click spring ensures your watch’s mechanisms function smoothly

Engineered by Omega for reliability

Embrace the excellence that Hamilton brings to every detail

this part is designed to deliver flawless performance and longevity

The Cannon pinion is an authentic part from a watch movement by Baume & Mercier

Seiko 7009A 868003 Day Finger

Where precision begins: The heart of time

Crafted with precision by the renowned brand ETA