Published by on August 17, 2026 The Sinn 556 I is a German-made men's automatic watch featuring a silver stainless steel case with a brushed finish. It has a sleek silver bracelet with a buckle closure and a lug width of 20mm. The watch boasts a left-handed design with a 38mm round case size and a 11mm case thickness. With 26 jewels and an exhibition caseback, this watch is perfect for everyday wear with its casual style and water resistance up to 200m. The watch comes with its original box and manual.