Crown: Steel, 4 buttons. Case: Resin with stainless steel cover, 30,3 mm x 24,6 mm x 7,3 mm. Case back: Steel, pressure fit. Watchband: Stainless steel bracelet. Buckle: Steel. Warranty: 2 years. Warranty counts as certificate of authenticity which certifies the item materials' quality and veracity (gold, silver, steel, diamonds) along with the product's authenticity.
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