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拍品 333
Swiss. An unusual openface keyless pocket chronometer
UNSIGNED, MOVEMENT NO. 1639, CIRCA 1930
已结束2011年11月14日
成交价
CHF 4,000
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专家说明
The present chronometer is possibly a so-called "school watch", featuring one of the watchmaking complications a student has to be able to construct in order to be recognized as a watchmaker.