Sternglas Hamburg Chronograph Edition Vintage Watch features 42mm x 9.3mm GP Case: 316L Stainless Steel, PVD gold polished with Japanese Quartz Movement: Seiko Mecha-Quartz VK64. Features Dark Green, Satined Dial & Cowhide Bridle Dark Brown 20mm Strap. Water Resistance: up to 50 Meters (5 ATM), Lug width: 20mm, Lug to lug: 46mm