Details Vacheron Constantin Les Histoique 47101. 37 mm 18K yellow gold case. 18K yellow gold bezel. Silver textured dial with gold hands and Arabic numerals. Outer tachymetre scale within dial with two engine-turned dials for constant seconds and 30 minute register. Black leather strap with 18K yellow gold buckle clasp. Manual hand winding movement. Sapphire glass.