Unworn, Omega Constellation Observatory, Ref# 140.13.39.21.01.001, box and papers.

OMEGA Constellation Observatory, ref. 140.13.39.21.01.001, reinterprets the precision heritage of the 1952 Constellation in a 39.4 mm polished-brushed O-MEGASTEEL case with distinctive faceted dog-leg lugs. Its black ceramic Pie-Pan dial has a polished centre and facets, applied Constellation star, diamond-polished kite-form indexes and 18K white gold dauphine hands. Calibre 8914 delivers METAS-certified Master Chronometer performance. Condition: unworn in like-new condition, comes with original box and papers, including dated warranty documents. The sapphire display back reveals the specially finished movement and skeletonised rotor with the signature Constellation Observatory medallion

TECHNICAL DATA

• MOVEMENT

• OMEGA calibre 8914, self-winding Co-Axial
• METAS-certified Master Chronometer
• Anti-magnetic to 15,000 gauss
• Free-sprung balance with silicon balance spring
• Two barrels in series; bidirectional winding
• Frequency: 3.5 Hz / 25,200 vph
• Power reserve: 60 hours
• Functions: hours, minutes, time-zone adjustment
• Rhodium-plated rotor and bridges; Geneva waves in arabesque

• CASE

• Polished-brushed O-MEGASTEEL case
• Faceted dog-leg lugs; clear-cut faceted bezel
• Black ceramic Pie-Pan dial with polished centre and facets
• 18K white gold diamond-polished hands and indexes
• Domed, bevelled sapphire crystal, anti-reflective on both sides
• Transparent sapphire caseback with Observatory motif
• Water resistance: 3 bar / 30 m / 100 ft

• DIMENSIONS

• Diameter: 39.4 mm
• Thickness: 12.23 mm
• Lug-to-lug: 47.20 mm
• Between lugs: 19 mm
• Approx. total weight: 71 g

• STRAP

• Black glossy alligator leather strap
• Alligator leather surface
• Grained calf leather underside
• Polished stainless-steel pin buckle

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