It's “nothing but the best” for this bulova frank sinatra automatic men’s timepiece. Keeping things cool with upscale, vintage styling this watch captures the spirit and style of sinatra’s legendary charm. 37mm stainless steel case with exhibition case back textured linen dial with signature fedora pressed at 6 o'clock; date display double curved sapphire box crystal automatic movement black alligator-patterned leather strap; buckle clasp water-resistant to 30 meters