NEWALL Mainspring #1868N for Heuer caliber 736 timers - Alloy

Newall N-Dur-All Mainspring #1868N for Heuer caliber 736 timers, specifically the 736 comp. 1/100-921, 736 comp. 1/10 906, 736 comp. 1/50-920, 736 comp. 60 R. 902
movements, alloy, GR Ref. 5136, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. 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.