ETA caliber 2770 barrel complete with mainspring. I opened one barrel up and shot pics so you can see the barrel and the spring. I have many of these available. ETA 2770, 2771, 2772, 2773, 2774, 2776, 2778, 2779, 2780, 2781, 2782, 2783, 2784, 2788, 2789, 2789-1, 2790, 2790-1, 2791, 2793, 2794, 2798.
A collection of love and memories woven into the story of you.