Vestal Men's ZR3034 ZR3 Analog Display Quartz Black Watch Case: 52mm wide stainless steel; 316l surgical grade Band: 24mm wide 3-link stainless steel; 316l surgical grade; case diameter: 52mm Quartz movement; water resistant to 330 feet Buckle: two-pusher stainless steel butterfly deployant clasp Crystal: hardened mineral Movement: 6-hand premium chronograph; Made in japan