The Sternglas Hamburg Satin Silver Watch with Vintage Mocha Leather Band is powered by a Ronda 715 quartz movement. Satin silver dial, black-white hands with luminous hands and dots. Numeral date function. Glass: domed sapphire crystal (anti-reflective). Diameter: 42mm. Height: 6mm. Case: Polished Stainless Steel with 4 screw case back. Vintage Mocha calf leather band. Water resistant to 5ATM. All Sternglas watches have one special feature: Straps can be exchanged within seconds. Thanks to the clever quick-change system, neither tools nor a visit to the watchmaker are necessary.