Motor Size 5555mm 2.172.17 inches Hour Hand Length 45mm1.77 inches Hand Length 65mm 2.56 inches Second Hand Length 110mm 4.33 inches Spindle Length 13mm 6mm thread, Fits up to 3mm thick watch facePower Supply 1AA battery Not included Crystal frequency 32.768KHz Average daily difference 2 sec day at 1.5V, 24 Working voltage 1.25V to 1.7V Working temperature 10 to 50 Circumferential output frequency 0.5Hz Second hand Output greater than or equal to 1.5gfcm 1.5V Hand Output greater than or equal to 30gfcm 1.5V Average current consumption Below 160uA at 1.5v Perfect for repairing most types of watches Color Black Material metalplastic Package Contents 1 Quarter Clock Movement Motor Without Battery 1 Hour Hand 1 Hand 1 Second Hand 1 Accessory Set Only the above package contents, others are not included. Note Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is13cm.