Trutex Mainspring for Venus caliber 175 (and many variants) Chronograph - Alloy

Trutex Mainspring for Venus caliber 175, 176, 178, 179, 183, 184, 185, 188, 189, 190, 192, 193, 194, 198, 199, 200, 201, 205, 209 Chronograph movements and perhaps others as well, alloy, new in envelope. See images for precise mainspring specifications. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.