Case diameter: 50mm
Swiss quartz movement
Water resistant to 30 meters(99 feet)
Roberto Bianci Women's Cassandra Stainless steel case, Leather strap, White dial, Swss Quartz movement, Scratch resistant sapphire, Water resistant up to 3 ATM - 30 meters - 100 feet
From the Manufacturer
Stainless steel case, leather strap, white dial, Swiss quartz movement, scratch resistant sapphire, water resistant up to 3 ATM - 30 meters - 100 feet.
Roberto Bianci Women's RB90361 Casual Cassandra Analog White Dial Watch - B075JNKWPJ