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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
5mm x 50mm lug-to-lug
The case is 44mm
Complete with Box & Papers dated October 2025
Horology By The Sea is thrilled to present this Grönefeld One Hertz Red Gold
Otsuka Lotec No. 6 - Serial #10328 (Pre-Owned) SARPANEVA 5mm x 50mm lug-to-lugCrafted by the visionary Jiro Katayama in his Tokyo studio, the No. 6 is a masterclass in industrial brutalism and mechanical ingenuity. Courtesy of a module designed and built by Mr. Katayama, time is displayed by way of two steel hands which travel from left to right then retrograde back, the minute hand every 60 minutes, and the hour hand once every 12 hours. The date can be viewed in the small aperture at the 3: 30 position. The reverse side
US$ 175.00
US$ 144.50
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