Case
Stainless steel 316L
Diameter: 43mm
Thickness: 10.4mm
Water resistance: 50m
Skeleton case-back
Mineral crystal glass
Strap
Stainless steel 316L
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