CASE: Diameter: 42.00 mm Height: 9.9 mm Material: 316L stainless steel Finishing: IP silver PVD coating Crown: Clutch gearbox Glass: Double curved sapphire crystal with anti-glare coating, scratch-resistant Back: Screwing Water resistant: Up to 3 bar DIAL: Black with white accents Minute, Hour BAND: Black calfskin with white seams and quick release spring mechanism Stainless steel clasp 316L with IP silver PVD coating Milanese Strap 316L stainless steel with quick release spring rod mechanism and IP silver PVD coating MECHANISM: Caliber: Swisstech G24-010-M01 Manual Winding Diameter: 26.00 mm Height: 3.74 mm Power reserve: 36 hours Frequency: 28,800 per hour [4Hz] Jewels: 18 COUNTRY OF ORIGIN: Germany