Simple Tour Leather Strap (Veau Swift) Retail Price: ¥60,800 Color: Black Made in France The 45 mm strap is designed for the Apple Watch 45 mm case. It also fits the Apple Watch 44 mm and 46 mm cases, and the Apple Watch Ultra 49 mm case. Veau Swift is very close to smooth leather, characterized by its elegant luster and very fine grain. It becomes more supple with age. The leather strap is not water-resistant.