Girard Perregaux 81010-11-634-11A
Girard-perregaux, LAUREATO series, Model: 81010-11-634-11A, Diameter: 42mm, Case thickness: 10.88mm, movement model: GP01800-0025, Movement type: Automatic mechanical, power Reserve: 54 hours, case material: "Parisian stud" patterned bezel material: stainless steel Function: Date display.