Brand Name: Seiko Selection Model Number: SBTR017 Dial Color: Green Case Material: Stainless Steel Belt Color Brown Belt Material Calf (Belt Material)/Leather (Belt Type) Drive System Quartz (Battery-powered) Display System Analog Water Resistance Water Resistant for Daily Use (10 ATM) (Water Resistance) Dimensions Case Size: Approx. 47 x 40 x 12 mm (Length x Width x Thickness) Buckle Width: 20mm Crystal Hardlex Glass (Crystal) Buckle Specifications Screw Back Tachymeter 24-Hour Hand Small Seconds Hand Stopwatch Function (1/5 Second Measurement, 60 Minute Counter) Calendar (Date) Function Caliber NO.8T63 Blank warranty card included; not stamped or dated