Omega Constellation 131.20.39.20.02.001 39 mm Steel & Sedna™ Gold Silver Dial Watch for Men

Stainless steel and 18K Sedna™ gold combine on this 39 mm Constellation, reference 131.20.39.20.02.001, across both case and mono-rang bracelet. An opaline white silvery dial provides a clean ground for hands, indexes, logo and star in Sedna™ gold, with the date at 6 o'clock and Roman numerals engraved around the bezel.

The Co-Axial Master Chronometer calibre 8800 is self-winding and certified by METAS, with a silicon balance spring, resistance to magnetic fields of 15,000 gauss and a 55-hour power reserve. A butterfly clasp with comfort setting secures the bracelet, and the 12.43 mm case is water resistant to 50 metres.

Technical specifications

• Brand: OMEGA
• Collection: Constellation – Gents' Selection
• Model: Constellation Co-Axial Master Chronometer
• Reference: 131.20.39.20.02.001
• Intended wearer: Gents'
• Case: Steel and Sedna™ gold, 39 mm diameter, 12.43 mm thick
• Lug-to-lug: 41.00 mm
• Bezel: Bezel engraved with Roman numerals
• Crystal: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
• Water resistance: 5 bar (50 metres / 165 feet)
• Dial: Silver
• Hands and indexes: 18K Sedna™ gold hands and indexes
• Functions: Hours, Minutes, Date
• Movement: OMEGA 8800, automatic (self-winding) with Co-Axial escapement
• Certification: Co-Axial Master Chronometer, certified by METAS (magnetic resistance to 15,000 gauss)
• Power reserve: 55 hours
• Frequency: 3.5 Hz
• Bracelet: Steel and Sedna™ gold
• Clasp: Butterfly clasp with comfort setting
• Weight (approx.): 172 g
• Warranty: 5-year OMEGA international warranty
• Made in: Switzerland
• Manufacturer: OMEGA SA, Biel/Bienne, Switzerland