Features: Stainless Steel Case Two Tone Stainless Steel Bracelet Automatic Movement Caliber: Powermatic 80.111 23 Jewels Sapphire Crystal Silver Dial Analog Display Power Reserve Date Display Pull/Push Crown See Through Case Back Deployment Clasp 50M Water Resistance Approximate Case Diameter: 40mm Approximate Case Thickness: 10mm Approximate Lug Width: 20mm