[WATCH sb.] That part of the movement of a timepiece that is concerned with the measuring of the hours, as distinguished from the ‘clockwork’ or striking part; also, the ‘works’ or parts composing the movement of a watch.

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1667.  Sprat, Hist. Royal-Soc., 247. Three new wayes of Pendulums for Clocks, and several wayes of applying the motion of the Watch-work to them.

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1674.  Hooke, Animadv. Hevelius, 68. To effect which motion of the Table and Instrument, a Watch-work is fitted to the Axis, so as to make it move round in the same time, with a diurnal revolution of the Earth.

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1675.  J. S., Horol. Dial., I. vii. 28. Tis always commendable to see Clock or Watch-work, move thus brisk and lively.

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1773.  Pennsylv. Gaz., 16 June, Suppl. 2/2 [Advt.]. Silver watches … cast watch-work, [etc.].

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1825.  J. Nicholson, Operat. Mechanic, 489. Clock-work, properly so called … in contradistinction to that part of the movement of a clock or watch … which is termed watch-work.

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1848.  Proc. Soc. Antiquaries Lond., 271. Facio, a native of Geneva,… is said to have first invented the application of jewels to watchwork.

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  b.  transf. and fig.

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1825.  T. Hook, Sayings, Ser. II. Man of Many Fr., I. 181. A shew-woman—like Madam Catharina, with watchwork under her hoop!

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1844.  Blackw. Mag., LVI. 530. The whole machinery and watchwork of pauperism.

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1845.  Clough, Poems, New Sinai, v. Heaven’s A Mécanique Céleste! And heart and mind of human kind A watch-work as the rest!

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