1. -
This Chapter does not cover :
(a)
Clock or watch glasses or weights (classified according to their
constituent material);
(b)
Watch chains (heading 71.13 or 71.17, as the case may be);
(c)
Parts of general use defined in Note 2 to Section XV, of base metal
(Section XV), or similar goods of plastics (Chapter 39) or of precious
metal or metal clad with precious metal (generally heading 71.15); clock
or watch springs are, however, to be classified as clock or watch parts
(heading 91.14);
(d)
Bearing balls (heading 73.26 or 84.82, as the case may be);
(e)
Articles of heading 84.12 constructed to work without an escapement;
(f)
Ball bearings (heading 84.82); or
(g)
Articles of Chapter 85, not yet assembled together or with other
components into watch or clock movements or into articles suitable for
use solely or principally as parts of such movements
(Chapter 85).
2. -
Heading 91.01 covers only watches with case wholly of precious metal or
of metal clad with precious metal, or of the same materials combined
with natural or cultured pearls, or precious or semi-precious stones
(natural, synthetic or reconstructed) of headings 71.01 to 71.04.
Watches with case of base metal inlaid with precious metal fall in
heading 91.02.
3. -
For the purposes of this Chapter, the expression “watch
movements” means devices regulated by a balance-wheel
and hairspring, quartz crystal or any other system capable of
determining intervals of time, with a display or a system to which a
mechanical display can be incorporated. Such watch movements shall not
exceed 12 mm in thickness and 50 mm in width, length or diameter.
4. -
Except as provided in Note 1, movements and other parts suitable for use
both in clocks or watches and in other articles (for example, precision
instruments) are to be classified in this Chapter.