Movement Type: Omega Calibre 8800, self-winding movement with Co-Axial escapement. Certified Master Chronometer by METAS, resistant to magnetic fields reaching 15,000 gauss. Free-sprung balance with silicon balance spring; automatic winding in both directions. Rhodium-plated finish with Geneva waves in arabesque. Power reserve: 55 hours. Crystal: Domed, scratch-resistant sapphire crystal with anti-reflective treatment on both sides. Water resistance: 5 bar (50 meters / 167 feet). Case and Dial: Stainless steel case; diameter: 39 mm; lug width: 24.2 mm; dial color: black. Bracelet: Stainless steel. Features: Anti-magnetic, COSC-certified chronometer, date display, Master Chronometer certified, transparent case back. 39 mm, stainless steel, paired with stainless steel bracelet. Constellation Collection. Reference: 131.10.39.20.01.001.