ATC-40SVWH Color: Silver x White A mechanical chronograph movement, rarely seen even in high-end Japanese watches. High-beat at 28,800 vibrations per hour, a super-complex mechanism with approximately 310 parts. Its existence is special even for watchmakers. The heavy 40mm diameter case creates a luxurious look for the sophisticated adult wrist. Specifications Case: SUS316L / Silver Glass: Sapphire glass Dial: White Hands: Silver Case Size: Thickness 13.5mm / Width 40mm / Length 49mm Weight: 91.5g Movement: cal.NE88 / TMI Time Accuracy: Average daily difference -10 seconds to +25 seconds (at room temperature: 5°C to 35°C) Duration: 45 hours Frequency: 28800 times / 8 vibrations Number of Jewels: 34 Water Resistance: 10 ATM (Enhanced daily life water resistance) Original Price: 148,500 yen Working properly.