Diameter & Thickness : 38mm / 9.9 mm Lug-to-Lug: 46mm Movement: Premium Automatic MIYOTA 9039 Movement Specs: 42 Hours Power Reserve, 24 Jewels, 4 Beats / Second Functions: Stop Second, Automatic and Hand-Winding, 3 Hands Case Material: Stainless Steel 316l Water Resistance: 5 ATM / 50M / 164 Feet Dial: Guilloche Panier Hands: Diamond Cut Dauphine Hands Hour Indices: SS 316L Applied Mix of Roman & Faceted Indices Crystal: Double-Domed Sapphire with anti-reflective coating Case back: See-through flat sapphire case back Bracelet: Integrated Stainless Steel 316l with OTF Micro-adjustable Clasp Crown: 6.5mm serrated pull-push crown