This is a quality 316L stainless steel watch case . Case back and a crown are rubber sealed.
Water resistance:5 ATM
Diameter: 46mm including a crown, excluding a crown 42mm, 50mm lugs to lugs.
Case thickness: 15 mm including a crystal
Width between lugs: 22mm
Bezel diameter: 39,5mm
Case internal diameter: 33.2 mm
Diameter of internal shoulder (visible dial): 32 mm
Case internal height from internal shoulder to the edge: 6 mm
Height between internal shoulder to crystal: 3 mm
Height between internal shoulder and stem hole center : 4.5 mm
Case back cover height : 4 mm
Crown diameter: 7 mm
Crystal diameter: 35 mm