Automatic mechanical movement Calibre 537/3. 26 Jewels. Biting: 21,600 vph (Breguet refers to this as 21600 o.s.c./sec). Power reserve: approximately 45 hours. Sapphire crystal glass with anti-scratch properties. Oval shaped case measuring 36.5 mm in width, 28.45 mm in height and 10.05 mm thick. Case material is solid 18kt rose gold. Fixed bezel ring set with diamonds on the outer rim made from solid 18kt rose gold. Mother of pearl dial surface exhibiting a luminous coating for hours markers, minute markers and hour/minute hands which are blue in colour (Arabic numerals). The watch features an analog display style. Transparent case back revealing the movement. Dress watch intended for women with a sophisticated appearance. Pull / push crown mechanism for winding. Deployant clasp closure system secured by solid 18kt rose gold. Water resistance to depths of 30 meters or 100 feet suitable for everyday splashes but not swimming or diving.