Concerning the letters behind
FIYTA Model number, your guess is right!
The detailed meaning is as following;
First letter : Means Case Color
Second letter: Means Dial Color
Third letter : Means Band Color
Forth Letter : Means Special Material
W- white (or no plating), B- black, H-grey,
G-golden, R-red, Y-silvery, L-blue,
N-green, T (only the forth letter)-
The first Two English letters
before the model number:
G- Man style, L- woman style,
A- Automatic watch
It's a Man style automatic watch
with steel white case, black dial,
white steel band
and tritium tube hands and markers.
L226TWT (no "A" after "L"
means it's a quartz watch)
It's a Woman style quartz watch
with two-tone case and band, white dial.
more help and F&Q coming soon . . .