Satin-brushed, microblasted titanium case and satin-brushed black titanium insert Lug to lug height: 34 mm Case width: 30 mm Satin-brushed, microblasted titanium case and satin-brushed black titanium insert Anti-glare sapphire crystal and case-back Black dial, brushed center and sandblasted chapter-ring Hermes Manufacture movement H1912, mechanical self-winding movement, 45-hour power reserve Hour, minute, second functions Water-resistant to 3 bar. Avoid all contact with water while wearing your Hermes leather watch Long single tour strap in black Barenia calfskin, titanium folding clasp and steel pin Hermès Style # W054131WW00