A good feedback is very important to us. 12''', Dm= 26.75mm, Do= 27.25mm. 1.55 x 10.5 x 0.10mm.1.30 x 0.75mm. Screw balance, fixed stud carrier. Suffix B: cam disc regulator. Smooth moving regulator, simplified setting works. Ring balance, mobile stud carrier. We are not responsible for wrong or undeliverable address. The item "RARE VINTAGE SWISS WATCH ZENITH SPORTO 18K GOLD F. Zenith 126-5 CIRCA 1955" is in sale since Friday, January 24, 2020. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Wristwatches". The seller is "aboim61" and is located in Lisbon. This item can be shipped worldwide.