Driving system: Mechanical Caliber: F8F64 Average daily deviation: +15 seconds to -5 seconds (static accuracy) Running time: 60 hours or more Case Material: Stainless Steel (SUS316L) Glass material (front): Sapphire crystal (sar coating) Glass material (back): Sapphire crystal Luminous Light: Yes Band Material: Stainless Steel (SUS316L) Band color: Black Band width: 21 mm Band width: 21 mm ・Wrist circumference: 140 mm - 200 mm Clasp: Push-button tri-fold Weight: 180 g Vertical diameter: 50.0 mm Width: 42.3 mm Thickness: 12.4 mm Water resistance: 10 atmospheres Antimagnetic resistance: Class 1 Other features: automatic winding (with manual winding), second hand stopper, see-through back, 24 jewels, screw-type crown Warranty: 2 years Release date: March 2025