Product features:
Fine and polished self-developed mechanical movement, two-way winding system, 80-hour kinetic energy reserve, 27 synthetic ruby bearings, Incabloc triangle shock absorbers, ring Geneva pattern polishing, blue steel screw decoration, large window calendar, Marbling dial, Fine steel crown.
Movement: Cal.A4610 automatic machinery
Case: 316L stainless steel, diameter of 40mm
Function: Hour, minute and second hands in the center, large window calendar
Watch mirror: Synthetic sapphire crystal glass
Bottom cover: 30mm transparentpanoramic back watch cover
Strap:Cowhide leather/316L stainless steel bracelet
Water buckle: 316L stainless steel folding buckle/double button butterfly buckle
Case thickness: 10.5mm
Strap width: 21.5mm
Wearing length: 170mm-210mm
Kinetic energy: 80h
Waterproof: 50m
Weight: 77g