MoKo Compatible Band Replacement for Apple Watch 38mm 40mm Series 4/3 / 2/1, Genuine Leather Smart Watch Band Cuff Strap - Black (Not Fit 42mm 44mm Versions) Personalized Your Apple Watch 38mm 40mm Series 4 / 3 / 2 / 1 Version with this refined geniune leather replacement wrist band. Inspired by equestrain fixtures, the ingenious design and finely worked modern Cuff leather is adapted to allow the heart rate sensor to stay in contact with the wrist. Genuine leather exterior and microfiber interior guarantee a more comfortable wearing. Metal adjustable buckle clasp and 7 Pin Holes for fine tuning and comfortable wearing. Band comes with Apple Watch Lugs on both ends, which locks onto Apple Watch Band Interface precisely and securely. Easy to install and remove. Fits 6.06"-8.07" (154mm-205mm) wrist and 1.89" (48mm) in width. Comes with a small screwdriver. 18 Months Warranty: We provide worry- free service. If you have any question or problem, please contact us, we will resolve it for you effectively.