Movement: Original Caliber Seagull ST1901 Hand-winding Chronograph Movement Glass Material: Sapphire 21 jewels Case Material: 316L Stainless Steel Case Diameter: 38.00mm Case Thickness: 13.50mm Band: Green NATO Nylon Strap + Brown Leather Strap Water Resistance: 3 ATM Lug to Lug: 46mm
