| 摘要 |
PROBLEM TO BE SOLVED: To provide a wrist watch, together with a metal material for it, which comprises a jacket part of the metal material excellent in corrosion-resistance than before, or such jacket part as coated with a thin film comprising the metal material. SOLUTION: The wrist watch is provided which comprises the jacket part of such metal material whose main component is Ag and contains Pd by 0.1-5.0 wt.% while one or a plurality of elements selected among Al, Au, Pt, Cu, Ta, Cr, Ti, Co, and Si are contained by 0.1-5.0 wt.% in total, or such jacket part as coated with a thin film of the metal material.
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