ETA 251.272 Quartz chronograph. Titatinum with with gold IP (4N) treatment-Scratch resistant, brushed titanium ceramic top ring- screw-down crown and pushers in titanium ceramic. Black with grid texture-luminescent indexes and hands-Date at 4 o'clock. Black caoutchouc-deployant buckle. Sapphire crustal anti-reflection, scratch-resistant. 100 m...