Swiss Assembly Limited Edition to 3000 (made in limited batches) Case size: 43mm Case Material: Unique curved oblong shaped two piece gunmetal 316L stainless steel Strap Width: 22mm Movement: Modified dual balance wheel, Automatic Mechanical movement made in collaboration with Jinghe Ind. with 40 hour reserve Glass: Uniquely curved sapphire crystal Water Resistance: 5ATM (not suitable for swimming) Strap: Carbon fiber leather strap with gunmetal deployant buckle Straps will fit up to an 8.25 inch wrist.