The Sternglas Naos Black Watch with Black Leather Band is a classic dress watch, newly interpreted. The slim case of only 6 mm diameter thickness, allows it to slide under any shirt cuff. The Naos embodies the Sternglas brand like no other model. Therefore, since Sternglas is German for "star glass", it was only logical that the Naos was named after a star. Powered by a Ronda 714 quartz movement. Diameter: 38mm. Height: 6mm. Black dial with silver hands. Numeral date function. Glass: domed sapphire crystal (anti-reflective). Case: Polished Stainless Steel with 4 screw case back. Black calf leather band. All Sternglas watches have a special feature: Straps can be exchanged within seconds thanks to the clever quick-change system. Water resistant to 5ATM.