Caliber: Caliber 5900 (37mm); caliber 4302 (43mm); caliber 4401 (chronograph)Caliber 5900Functions: Time and date Diameter: 26.2mmThickness: 3.9mmPower Reserve: 60 hoursWinding: AutomaticFrequency: 4 HzJewels: 29Caliber 4302Functions: falske omega klokker Time and date Diameter: 32mmThickness: halpa iwc kellot 4.9mmPower Reserve: fake piaget watch 70 hoursWinding: AutomaticFrequency: 4 HzJewels: 32Caliber 4401Functions: Flyback chronographDiameter: 32mmThickness: 6.8mmPower Reserve: 70 hoursWinding: AutomaticFrequency: 4 HzJewels: 40