Movement Decorated automatic 2426 Vostok movement with blued parts. Additional 24 hour hand. Date calendar. Central second hand. 32 Jewels. Shock resistance balance. Mean daily rate from -10 to +30 s/day. 31 Hours automatic winding. Model Features 42mm Stainless steel round case 10atm. Rotating bezel with 24 hours scale. Transparent back cover with engraved serial number. Dual time function using additional 24 hour hand. Date calendar. Stainless steel bracelet. 12 months warranty.