Girard perregaux, Golden Bridge series, 84000 model, automatic mechanical, 45mm in diameter, grade 5 titanium alloy case, self-produced 84000 movement, rare inverted movement design, patented V-shaped rotor with pearl block at 10 o 'clock, symmetrical mainspring barrel design at 2 o 'clock, like a pair of silver eyes, inertial variable balance wheel escapement system The 6 o 'clock hollowed-out balance wheel and the hour and minute hands are fixed by double Bridges, combining a modern and technological feel. Complete set.