Model: SANDA 2151 Special features: waterproof, luminous, date, week, Style: Versatile, casual, athletic Display Type: Digital Waterproof performance: 30M Movement: Japanese electronic movement Battery: MAXELL Japanese original battery Mirror surface: Acrylic mirror surface Watch buckle: stainless steel watch buckle Case: ABS Band material: TPU Watch weight: 42g Case thickness: 14 mm Case width: 42mm Case height: 42mm Band width: 19-23mm Total length of watch: 245mm Watch circumference: (Min) 155mm/(Max) 220mm Waterproof performance 50M deep waterproof Dial shape: circular Color: white, white red, all black, black and white, black red, black blue, sapphire blue Year/season of launch: March 2023 Note: The above parameters are measured manually, and any slight error is normal. Please refer to the actual object received