“Aviator’s Degree Watch” Vacheron & Constantin, Genève, N°12066, case N°60919. Made in two examples in 1936. Very fine and exceptionally rare, oversized, center-seconds “Staybrite” stainless steel aviator’s wrist chronometer with 360° of arc dial. Accompanied by a Certificate of Authenticity.
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C. Three-body, massive, brushed, slopped bezel, concave lugs. D. Matte silver, inner radial Arabic 360° chapterwith luminous hand revolving once every 24 hours, outer luminous Arabic 60° chapter with luminous handrevolving every 4 hours and the luminous center-seconds hand revolving every 4 minutes. M. Cal. 20’’’ M73, frosted gilt brass, 17 jewels, straight line lever escapement, beryllium balance with gold timing screws, selfcompensating Breguet balance-spring, index regulator. Dial, case, and movement signed. Diam. 57 mm. Thickness: 15 mm.