Authentic Zenith Chronomaster Sport wristwatch model 18.3101.3600/69.M3100, featuring an automatic movement and chronometer accuracy certified. Includes a rose gold case measuring approximately 41mm in diameter, a white dial face with sophisticated design elements, sapphire crystal bezel ensuring scratch resistance (common for this model), manual winding or setting function indicated by the description "automatic" implying self-winding capability is confirmed via standard movement components not necessarily anti-magnetic unless specified. Possesses understated charm and elegant construction suitable for men.