Case material: blue stainless steel, sandblasted. Strap: blue stainless steel - sandblasted finishing. Clasp: hidden butterfly clasp. Bezel: blue stainless steel. Caseback: blue stainless steel. Dial: blue sandblasted. Hands and indexes: brass with blue PVD coating. Glass: sapphire, anti-reflective coating. Movement: citizen mitote 1L22, quartz. Water resistance: 5ATM Colour: blue