A midnight blue masterpiece of straightforwardness: The clear lines and precise angles of the stainless steel case and the lugs, the completely flat sapphire crystal glass allow Tangente Update to remain as slender as ever on the wrist. CASE: stainless steel GLASS: sapphire crystal glass WINDING: automatic DIMENSIONS: diameter 40.5 mm WATER RESISTANCE: 5 atm DIAL: midnight blue HANDS: rhodium-plated STRAP: horween genuine shell, cordovan black Date Ring, Design Your Own Ring, Diamond Education, Womens Wedding Bands, Shop Engagement Rings, Anniversary Bands, Engagement Ring Wedding Band, Mens Wedding Bands, Sapphire Crystal