Breitliing Astromat Chronograph Quantieme Perpetual Men's Gold Watch K18405 - Automatic winding, perpetual calendar, moonphase chronograph. 18k yellow gold heavy case. Case back has embossed logo. Fluted edge bezel is engraved with points and degrees of the compass (40mm diameter) apx. 13mm thick. Black dial with gold markers; hour, minutes and seconds recorders, day, date, month, moonphase and leap year indicators. 18k yellow gold bracelet (will fit apx. 7-1/2-in. wrist). Pre-owned with chronometer certificate. A fine, rare, heavy, self-winding, complicated watch from the 1990's. Mvmt # 1505.