Case
Stainless steel 316L
Diameter: 43.2mm
Thickness: 12.8mm 
Water resistance: 50m
Skeleton case-back
Mineral crystal glass
Strap
Integrated endpiece genuine leather
Clasp
Deployment buckle with push button
Movement
Mechanical movement made in Japan
21600 vibrations per hour
Automatic and hand winding
21 jewels
Functions
Hours, minutes and seconds