Strap Material: Stainless Steel
Buckle Style: Push-pull Buckle, or Hook Buckle
Width: 2mm (0.08")
Wrist Size Circumference:
Hook Buckle - Fits wrist 150 - 190mm (5.9" - 7.5"),
Push-pull Buckle - Fits wrist 140-220mm (5.5"-8.7"),
Adjustable length without tools.