Product description. A practical model with a chronograph function in SEIKO's conception of basic functions and a standard, unadorned design. Calibre 7T92 Driving system Battery-operated quartz Accuracy Average monthly difference ±15 seconds Glass material Hardlex Case and band material Stainless steel Case size 46.0 mm (length) x 38.5 mm (width) x 9.6 mm (thickness) Arm circumference (maximum) 198 mm Band width 20 mm Band adjustment Plate spring system Weight 112 g Water resistance Enhanced water resistance for everyday use (10 bar) Lumibright Yes (hands and indices) <Other functions and features Chronograph function (1/20 second increments, 12-hour counter) Calendar function (date) Tachymeter bezel Comparez les prix de: Seiko in Montres