・Drive method: Mechanical ・Caliber: F8N64 ・Average daily error: +15 seconds to -5 seconds (static accuracy) ・Running time: 60 hours or more ・Case material: Stainless steel (SUS316L) ・Mirror material (front): Double spherical sapphire crystal (SAR coating) ・Glass material (back): Sapphire crystal ・Luminous light: None ・Strap material: Stainless steel (SUS316L) (Included strap: genuine crocodile leather, black, push-to-flip tri-fold) ・Strap width: 20mm ・Nakadome: push-to-flip tri-fold ・Weight: 156 g ・Vertical diameter: 47.3 mm ・Horizontal diameter: 40.0 mm ・Thickness: 12.9 mm ・Waterproof: Daily life reinforced waterproof (100M) ・Magnetic resistance: 1 type ・Other functions: Automatic winding (with manual winding), power reserve display function, second hand stop device, transparent case back, 22 jewels, date, comes with a replacement strap (click here to change the replacement strap) ・Release date: June 2024