dcooper Collection / Serial #503136 Columbus Watch Co. Grade Columbus King Serial #503136 Movement Image Dial Image Manufacturer Columbus Watch Co. Grade Columbus King Serial Number 503136 Size 18s Model 2 Jewel Count 25 Setting Lever Finish Nickel Dial Material Enamel Dial Type Singlesunk Dial Style Arabic Dial Signing Name (none) Dial Details Fancy Dial Movement Markings Columbus Railway King 25 Jewels Adjusted Safety Pinion