




No. 7.5, A 40mm unworn stainless steel jumping hour automatic wristwatch, Circa 2026
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Details
Description
The No. 7.5 continues Ōtsuka Lōtec’s exploration of instrument-inspired mechanical display systems, reducing the indication of time to three distinct apertures arranged across a stark monochromatic dial. Produced in limited quantities by Jiro Katayama, the model reflects the independent Japanese maker’s emphasis on engineered utility and unconventional mechanical presentation.
Condition Report
The watch is in excellent, like-new condition. The movement is running at the time of cataloging, however, it was not tested for the accuracy of time or duration of the power reserve and may need service at the buyer's discretion. Please note that Sotheby's does not guarantee the future working of the movement.
Please note that this item is final sale and not eligible for return.
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