ETA - VALJOUX 7750, 7751,VALJOUX 7730 to 7736 to 7740 (as long as they have 0.9 mm stem). VALJOUX 23, 72, 88, etc. This is a TAP 9 (0.9mm tube) crown. ETA 2452, 2472, 2783, 2873, 2789, 2000, 2824, 2892, 2894, etc.
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