18 20 21 22mm Sizes Watch Band
Before purchasing watch straps: Must measure inner lug width!
Incorrect measurements may cause strap/watch size discrepancy.
Measuring tools: Vernier calipers recommended (for accuracy) or ruler.
Method: Position watch horizontally with lugs facing upward/Insert ruler vertically into widest point between lugs/Press flush against both lug inner walls
Note: Ensure accuracy to 1mm to prevent fitment issues.