3 Eye Mechanical Chronograph Manual Winding Watch Movement Accessories for Seagull ST1902 TY2902

Model: ST-1902 (TY2902) Outer diameter: 31.30mm Height: 5.85mm (dial plate + 0.4mm) Mounting height: 0.5mm Stem height: 1.8mm Features: Model: ST-1902 (TY2902) Outer diameter: 31.30mm Height: 5.85mm (dial plate + 0.4mm) Mounting height: 0.5mm Stem height: 1.8mm Gems: 22 Frequency: 21,600 bph Power reserve: approx. 42 hours For seagulls (ST1902 TY2902) Note: Due to manual measurement, errors may occur. Package includes: 1x watch movement