Key Specifications Movement: Precise quartz movement. Case: 42mm square alloy case with a thickness of approximately 13mm. Strap: Durable and flexible silicone (rubber) band with a width of 23mm. Water Resistance: Rated at 3 ATM (30 meters), making it resistant to everyday splashes but not suitable for swimming or diving. Dial Features: Chronograph: Functional sub-dials for 1/10 second, chronograph second, and chronograph minute. Calendar: Built-in date display window. Luminous: Glow-in-the-dark hands for visibility in low light.