
Black Diamond
Himeji Kurozan (姫路黒桟革), also known as “Black Diamond Wagyu Leather,” is an exceptionally rare and luxurious leather originating from Himeji, Japan. This exquisite leather is made from Japanese black-haired Wagyu and is expertly crafted by an award-winning tannery in Japan.
Watch Band Structure


Our Crafting Process
Handdn Strap Packaging To Protect Your Strap
Every order of 1 to 3 watch straps is carefully packaged in a premium HANDDN envelope to ensure perfect condition upon arrival. Orders of 4 or more straps are delivered in a blue Slider Box. Each strap is securely wrapped in a shockproof paper bag and sealed in a transparent zip cover to protect against moisture, dust, and scratches during shipping.
