Check the listing for details. Manual Wind 8 Day Clock Movement Hands & Winders Mantle 13" Drop Clockmakers. Condition: New, Made in United Kingdom. Listed at 76.27 USD. Jewellers Tools Mechanical Winding Clock Movement Time Only Mechanical Clock Movement is a time only movement with a 13" drop. commonly used in school clocks. Movement plates measure 3 1/2" 88mm (height) x 3 1/4" 83mm (width) x 1 1/2" (deep). Total dimensions of movements including gears, casing brackets are 5" (height) x 4 3/4" (width) x 3 3/4" (depth, this measurement includes key arbors). 13" drop is measured from the centre of the hand shaft to the tip of the pendulum. The depth between plates is 40mm. Movement is supplied with the suspension spring, a pair of hands for an 11" dial, and a key. The distance from the centre of the hand shaft to the centre of the winding arbor is 45mm. Also includes 2 keys, 3 sets of clock hands and a suspension spring.