316L Metal Wiredrawing Surface Stainless Steel Watch Case Silicone Band only supports GA2100,GA2110 and GAB2100 original watch upgrades, please make sure that your watch is genuine.
Package Contains:
Silicone Strap x1 pair
Steel Case x1
"-" shape screwdriver x1
"+" shape screwdriver x1
Steel Movement Screw x5 (one extra spare)
Watch is not included.

Replacement steps:
(1) Use screwdriver to unscrew the four case screws, and remove the original watchband case;
(2) Install the steel case and tighten the four big case screws.

Notice:
When installing the steel case screws, in order to balance and fixation, please install the two diagonal screws first.
When installing the screws on one side of the steel band, please insert two screws to fix the position first, and then tighten them.

If you have just received the mod kit accessories and find that the buckle does not lock or is not smooth enough, you can drop a little lubricating oil on the joint of the buckle and you'll find that the buckle snaps on easily right away.