Seiko Presage SSA457J Instruction Manual page 53

A
A Type
Lift up the clasp to release the buckle.
1
2
Fixed loop
Movable loop
Open the flap.
2
48
EN
3
Buckle
Flap
4
Remove the pin from the adjustment hole. Slide the
band left and right, and reinsert the pin into the
adjustment hole at an appropriate length.
Fasten the flap.
* Do not push the flap in too hard.
* When fastening the clasp, insert the tip of the band
into the movable loop and fixed loop, and then,
securely tighten the clasp.
Pin
Adjustment hole