43 mm steel case with anti-magnetic protection, black anodized aluminium bezel ring with tachymeter scale, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, silvery white opaline dial and blackened subdials, Omega 9908 manual-winding chronometer movement, approximately 60 hours of power reserve, black perforated calfskin leather strap with white rubber interior. Water resistant to 50 metres (167 feet).