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2003 – 2006 Sinn chronology
German made Sinn 756 S Duochronograph automatic chronograph circa 2005 with a fully luminous black dial and hands. The stainless steel case has a hard black Tegiment coating which is extra resistant to scratches. The features include dehumidifying technology which avoids fogging and magnetic field protection up to 80,000 A/m. The case, bracelet and the sapphire crystal are in good shape all round. The serial number is on the case back and also on the Guarantee card that comes with the watch. Watch comes on its original Sinn bracelet which also has black tegiment coating, also included are two extra links for bracelet. The Valjoux cal 7750 movement, works just as it should and keep accurate time on the wrist, the quickset date changes as it should. Photos are magnified and show details not seen by naked eye, the case measures 41 mm across (not including crown) x 47 mm lug to lug x 14.2 mm deep. Currently sized to fit 18.5 cm (7 1/4 inch) wrist plus with two extra included links would fit 20.5 cm (8 inch) wrist.