OMEGA open face 14k pink gold pocket watch with mother of pearl dial, Switzerland around 1923, guilloche case with, floral engraved edge, metal cuvette with medal engraving, mother of pearl dial with raised gilded Arabic numerals, constant second at 6, rare Omega hands, silvered movement calibre 39.1-17J, 17 jewels, 3 adjustments, compensation-balance with Breguet-hairspring, special precision adjustment, diameter approx. 49 mm, condition 2-3