SI3  Sinn 556 Jubiläum. Watch measures a perfect 38.5mm and is made from steel. Automatic movement by Sellita caliber SW-200. Sapphire crystals on both sides of the case. Waterproof 20ATM or 200 meters (suitable for swimming and diving). Functions are hours, minutes and sweep seconds. This watch is fitted with the original steel full length steel bracelet with integrated folding clasp with security link. Naturally this watch is complete with the original box and papers dated April 2018. Please be aware that this watch was made in a limited edition of 1000 pieces only and are extremely rare in the pre-owned market. Very collectible! SOLD