Mulit-frequency radio-controlled movement J604.90 with autoscan, FSTN technology, display for date, day, calendar, week, 12/24 display, display illumination, contrast adjusment, stainless steel case or black PVD coated, dimensions: 38.5 x 44 mm, sapphire crystal, calfskin strap with stainless steel buckle, water-resistant up to 5 atm.