Girard-Perregaux, "Equation espace" Produced in the 1980's. Fine and unusual, astronomic, center-seconds, water-resistant, 18K yellow gold gentleman's quartz wristwatch with equation of time, date and moonphases.
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C. two-body, solid, polished, stepped bezel, straight lugs, transparent case back. D. white with radial Roman numerals, outer month and equation of time indication, below 12 the date, aperture for the moon phases. "Epée" yellow gold hands. M. Cal. E 738. 1, rhodium-plated, "fausses côtes" decoration, 11 jewels, with quartz standardization. Dial, case and movement signed. Diam. 34 mm.