Fits Apple watch size 38mm (Series 1,2,3), 40mm (Series 4,5,6,SE), 41mm (Series 7)
Fits Apple watch size 42mm (Series 1,2,3), 44mm (Series 4,5,6,SE), 45mm (Series 7,8), 49mm (Ultra)

Crafted with Chromexcel Leather from Horween Leather Co
Read more about Horween Leather 
Develop a nice patina over time
Padded design for extra comfortability 
Stitched construction
Strap thickness: 3.5mm
Brushed steel buckle

38/40/41mm: Length: 75mm and 120mm
42/44/45/49mm: Length: 75mm and 125mm

Please note that Chromexcel leather will scratch, scuff, and dent easily, which leads to a beautifully refined ruggedness. These are not defects and will eventually smooth out through normal use. 

Product showcase video for the N2W Classic Horween Leather Strap can be found 

Video tutorial on how to change the strap for Apple Watch can be found