Seiko 6139B 785612 Second coupling lever w/screwSeiko 6139B 785612 Second coupling lever with 1 screw. The Second coupling lever is an authentic part from a watch movement by Seiko.

Discover the magic of flawless timekeeping with the Longines 520 0450 Setting Wheel

invest in legacy—choose Landeron

enhancing your watch's performance and longevity

Let every second count

1341 1481 Reduction wheel

this part embodies the spirit of accuracy

Upgrade your watch with the Hamilton 736 0227 Sweep Second Wheel and experience the unmatched excellence that comes with Hamilton's legacy of innovation and craftsmanship

Covering precision

Whether you’re a watch enthusiast or a professional restorer

the main plate is designed to provide sturdy support and precise alignment for all the intricate moving parts within the watch

8 1232 Hour wheel keeps your moments moving flawlessly

this component promises a seamless fit and enduring reliability