The Collection of a European Nobleman

Geneva, May 11, 2008

LOT 420

Longitude Cristobal Colon Arnold & Son, Swiss, ?Longitude Cristobal Colon?, No. 49/50. Made in a limited edition of 50 pieces in 2006 to commemorate the 500th anniversary of Christopher Columbus. Fine and unusual, large, self-winding, water-resistant, center-seconds, stainless steel two time zone wristwatch calibrated for the longitude and latitude of Valladolid, Spain, with rotating longitude determining ring, day and night and 24-hour indication, charts for equation of time correction, date, blue rubber strap and stainless steel Arnold buckle. Accompanied by the Certificate of origin, chronometer rating certificate and booklet. To be sold without reserve

C. Three-body, polished and brushed, bezel with serrated edge, lapidated lugs, the side of the case engraved ?Longitude?, crown at 2 o?clock for rotating the inner degrees of longitude scale, crown at 4 o?clock for hand and date setting, button at 3 o?clock to release the back catch, domed hinged back with reeded decoration, the interior with engraved charts and rotating arm for calculating equation of time correction, sapphire crystals. Glazed inner back to view the movement, the border engraved ?Valladolid 20 May 1506-2006?. D. Blue with painted silver-edged square and triangular luminous indexes, painted outer silver scale for East-/+West degrees, inclined rotating outer degree scale for determination of longitude, inner rotating 24-hour disc with day and night indication and decorated with a map of the Iberian peninsula, date aperture with cyclops lens. Luminous steel epee hands, the hour hand with red tip extended to the degree scale. M. Cal. 2893, rhodium-plated, 21 jewels, straight-line lever escapement, monometallic balance, self-compensating flat balance spring, shock absorber, micrometer regulator. Dial and case signed. Diam. 44 mm. Thickness 16 mm.