Designed with a stainless steel case and brown crocodile band with an antiqued dial and blue steel second hand, this 39.5mm Grand Seiko Caliber 9S65 offers high precision and reliability that endures, with 72 hours power reserve. The accuracy of a mechanical watch depends greatly on the precision of its hundreds of individual parts. This is why all the components of each Grand Seiko watch are made by Seiko in-house and to the same high standards. Featuring a see-through caseback, automatic movement allows for self and automatic winding capabilities and features 28,800 vibrations per hour and 35 jewels, with accuracy -3 to +5 seconds per day under static conditions. 30M Water Resistant.