Omega Constellation 131.23.41.21.03.001 41 mm Steel & Sedna™ Gold Blue Dial Blue Alligator Strap Watch for Men

Blue on blue, the 41 mm Constellation 131.23.41.21.03.001 pairs a polished blue ceramic bezel, its Roman numerals in Ceragold™, with a sun-brushed blue dial. The case is stainless steel and 18K Sedna™ gold, and the hands, facetted indexes, OMEGA logo and Constellation star are in Sedna™ gold, with the date at 6 o'clock.

Calibre 8900 drives the watch: self-winding, with a Co-Axial escapement and silicon balance spring, two barrels in series for 60 hours of reserve, a time-zone function and Master Chronometer certification from METAS, including resistance to 15,000 gauss. A blue alligator leather strap lined with rubber and a stainless steel foldover clasp complete it; water resistance is 50 metres.

Technical specifications

• Brand: OMEGA
• Collection: Constellation – Gents' Selection
• Model: Constellation Co-Axial Master Chronometer
• Reference: 131.23.41.21.03.001
• Intended wearer: Gents'
• Case: Steel and Sedna™ gold, 41 mm diameter, 13.45 mm thick
• Lug-to-lug: 44.00 mm
• Bezel: Polished blue ceramic bezel with Ceragold™ Roman numerals
• Crystal: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
• Water resistance: 5 bar (50 metres / 165 feet)
• Dial: Blue
• Hands and indexes: 18K Sedna™ gold hands and facetted indexes
• Functions: Hours, Minutes, Date
• Movement: OMEGA 8900, automatic (self-winding) with Co-Axial escapement
• Certification: Co-Axial Master Chronometer, certified by METAS (magnetic resistance to 15,000 gauss)
• Power reserve: 60 hours
• Frequency: 3.5 Hz
• Strap: Leather strap, blue (rubber / alligator leather)
• Clasp: Foldover clasp in stainless steel
• Weight (approx.): 113 g
• Warranty: 5-year OMEGA international warranty
• Made in: Switzerland
• Manufacturer: OMEGA SA, Biel/Bienne, Switzerland