The Urban Jürgensen Reference 1741 uses their P4 caliber as base movement; a perpetual calendar with leap year and moon phase is added
Movement Urban Jürgensen P4 | Hand-wound | Diameter: 32 mm | Thickness: 5.20 mm | Frequency: 21,600 vph (3 Hz) | Jewels: 23 | Hours, minutes, small seconds | Power-reserve: 72 hours
Movement Urban Jürgensen P4
The Urban Jürgensen reference 1140L RG Brown looks subtle and has a very delicate dial and hands with extremely high finish