Batman GMT Seiko Mod Built with a Seiko NH35A automatic movement with hacking and hand winding Case - Brand new stainless steel case 40mm diameter without the crown, 13.5mm thick and lug width is 20mm Movement - Seiko NH35A Automatic Movement, 24 jewels, hacking and hand winding Bezel - Unidirectional rotating Black and blue Crystal - Scratch resistant sapphire glass Dial - Aftermarket Seiko black dial Hands - Silver Mercedes Crown - Silver screw down crown Strap - High quality links 904L quick release clasp, 20mm lug width .
 
The movement manual can be found on our website and will be included with your watch.