Brand IWC Model Portofino Chronograph Reference number IW391007 Movement Automatic Case material Steel Bracelet material Crocodile skin Year of production 2020 Condition Very good (Worn with little to no signs of wear) Scope of delivery No original papers, no original box Gender Men's watch/Unisex Availability Item is in stock Movement Automatic Caliber/movement 75320 Power reserve 44 h Number of jewels 25 Case material Steel Case diameter 42 mm Length Watch Band 21 cm Water resistance 3 ATM Bezel material Steel Crystal Sapphire crystal Dial Silver Dial numerals No numerals Bracelet/strap Bracelet material Crocodile skin Bracelet color Brown Clasp Buckle Clasp material Steel