Home / NOS Bulova Watch Parts / Screws / Genuine Bulova Part 338 Screw Self-Winding Unit 6CHAC 6CMA 6CMAC 6COAC NOS Genuine Bulova Part 338 Screw Self-Winding Unit 6CHAC 6CMA 6CMAC 6COAC NOSUSD $12 View on eBayIn stock Genuine Bulova Part 338 Screw Self-Winding Unit 6CHAC 6CMA 6CMAC 6COAC NOS quantity Buy now SKU: pl-0000-0001 Categories: Automatic Drive Parts, NOS Bulova Watch Parts, Screws Tags: 6CHAC, 6CMA, 6CMAC, 6COAC Clay & Co. Part #: BUL-338-6CHAC Brand: BulovaProduct ID: 1467 Description Description Compatible movements: 6CHAC, 6CMA, 6CMAC, 6COAC