ITEM NAME:Quartz Alarm Clock Movement Mechanism DIY Replacement Part Set sp Quartz Alarm Clock Movement Mechanism DIY Replacement Part Set sp a.imagelink a:hover.imagelink {color:#000000;.Making your own clock. Hour Hand: Approx. 7mm/0.28". Minute Hand: Approx. 24mm/0.94". Second Hand: Approx. 25mm/0.98". Color: Black.