OMEGA very rare, 18k yellow gold, made in a limited edition of 250 pieces chronograph Speedmaster reference 148.0052, Switzerland around 1992, manual winding, on both sides glazed, screwed down case back, original bracelet with deployant clasp, black tritium dial, applied gilded indices, gilded luminous hands, gold-plated movement calibre 863 with fausses cotes decoration, 17 jewels, precision adjustment, diameter approx. 42 mm, length approx. 21 cm, condition 2