Rare vintage Gruen Ver-Thin Precision watch, Swiss movement, 17 jewels, 10K gold-filled case with Guildite back. Manual wind, no band, not working, for parts or repair. Movement shows a “420SS” and inside the back cover are the numbers “G636737″ and below that is “430 534 SS”. The name “Wadsworth” also appears on the inside and the outside of the back cover. Check out our other items! Please read: At the end of the sale, you will receive an invoice. Items come from multiple sources and every effort is made to give an accurate, detailed, and honest description. I will tell you what I know, try to find out what I don’t know. We sell quality items with mostly no chips, cracks, or repairs. Such flaws (if any) will be noted in the description. We do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior.