Unworn, Omega Constellation Observatory, Ref# 140.13.39.21.03.001, box and papers.

OMEGA Constellation Observatory, ref. 140.13.39.21.03.001, revives the precision-focused spirit of the 1952 Constellation in a 39.4 mm polished-brushed O-MEGASTEEL case with faceted dog-leg lugs. Its blue Pie-Pan dial combines a sun-brushed centre, opaline facets, applied OMEGA logo and Constellation star, with diamond-polished 18K white gold hands and indexes. Calibre 8914 provides Master Chronometer performance and 15,000-gauss magnetic resistance. Condition: unworn in like-new condition, comes with original box and papers, including dated warranty documents. The transparent caseback reveals the decorated movement and skeletonised rotor with an applied medallion bearing the laser-engraved Observatory emblem motif.

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; power reserve: 60 hours
• Functions: hours, minutes and time-zone adjustment
• Rhodium-plated rotor/bridges; Geneva waves in arabesque

• CASE

• Polished-brushed O-MEGASTEEL case
• Faceted dog-leg lugs and clear-cut faceted bezel
• Blue Pie-Pan dial; sun-brushed centre and opaline 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. weight: 71 g

• STRAP

• Dark blue alligator leather strap
• Alligator leather upper; grained calf leather lining
• Polished stainless-steel pin buckle

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