akteo astronomie 38 watch original gift for astronomers - dimensions: case: 38 mm in diameter dial: 27 mm in diameter bracelet: 18 mm - material: case: steel glass: mineral bracelet: genuine leather - colors and patterns: bracelet: orange case : steel dial: starry blue hour hand: moon minute hand: saturn seconds hand: shooting star and terrestrial bezel waterproof: 50m splashes / light rain warranty: 2 years