Features: 316L Stainless Steel Case Green Straight-Cut Calf Skin Oiled Leather With Tone On Tone Stitching Automatic Movement Caliber: Miyota 8215 21 Jewels Sapphire Crystal With Blue Anti-Reflective Treatment Brown Dial Analog Display Animation Ring With A Bronze PVD Treatment And Special Bouchonner Finishing NFC Chip Enabled Power Reserve Up to 40 Hours Screwed Case Back Buckle Clasp 30M Water Resistance Approximate Case Diameter: 47.00 mm