- Helps to secure the watch band to the clasp
(A2) Clasp spring bar hole:(A3) Micro holes:
- Flexible fine-tune for length adjustment.(A4) Clasp:
- Unfolds into 3 parts can enlarge the perimeter of watch band, allow the watch band to fit over swollen knuckles.(A5) Removable link screw:
- Some links are removable but some aren't
(A6) Link(A7) End piece / End link:
- Piece at the end of a metal bracelet that attaches to the case. It is also called end link.(A8) End link spring bar:
- Use to hold watch strap in place and secure the watch band to the case.(A9) End piece screw:
- Endlink to be engaged with the second link of watch band by this screw(A10) Tail short end spring bar:
- Use to secure the watch band ending tail to the clasp.
(A11) Long piece:
- One end to be attached on the 12 o’clock side, another end on clasp’s fine-tune side(A12) Short piece:
- one end to be attached on the 6 o’clock side, another end on clasp’s safety double lock side
(B1) Case body
(B2) Strap attaching portion(B3) Crown:
- It is what is used to change the time. Some watches offer a date window and a seconds indicator, which are engaged by pulling the crown out.(B4) Lug hole:
- Hole where to insert the spring bar. The spring bar is used when installing the band.
(B5) Case back(B6) Buckle tongue width:
- When you are changing clasp / buckle, there’s a limitation of buckle (e.g. thickness or pin width), so you may need to measure this part of length to choose the correct buckle.(B7) Buckle:
- To close the strap and hold it around the wrist.(B8) Buckle Adjustment holes:
- Flexible fine tune strap length adjustment.
(B9) Buckle tongue(B10) Fixed loop/free loop:
- Fixed loop: Loop used to fasten the excess portion of band section attached to the six o’clock side. It is fixed to the band.
- Free Loop: - It can move along the band. (B11) Spring bar:
- Use to hold watch straps in place, help to secure the watch band to the case.