This watch is also known as: IW3545-004 IW3546 The stylish IWC Novocento (ref. 3546) showcases day date month two-digit year and moon phase indicators against its white dial. Powered by automatic movement this beautifully-designed mens watch is housed in a rectangular 18K yellow gold case. A fluted crown and brown crocodile leather strap with tang buckle completes the look of the sleek IWC Novocento (ref. 3546) while a scratch-resistant sapphire crystal protects its dial.