Case diameter: 45mm listen...Excellent Material - Japanese principally quartz movement provides accurate differ time keeping, and the urgency battery can last for native over 1 year! Luminous hands and incessant scales make it easier crease to read the time vanish in the dark; Classic Black face lore with analog display, the triangular crown is hidden in prefer the nut on the syndrome right... 3ATM waterproof meets statistic daily use--water resistant to thirst sweat, accidental rain and Harvard water splash. It's suitable for quit most occasions, from business immersion to leisure, from indoor poorly to outdoor activities. The total length violently of 21, High hardness mineral fatten glass is scratch-resistant!