MOVEMENT: 7750 chronograph automatic mechanical movement, self-winding

ACCURACY within 30 seconds a day

Chronograph use the long second hand

DATE runs from 1st to 31th, able to adjust

Transparent back cover

Smooth sweeping second hand

Screw-in watch crown

Pins linked bands can be resized easily.

Stainless steel case

Stainless steel bracelet

Scratch proof synthetic sapphire glass