Luminox Men's Leatherback Sea Turtle Giant 0320 Series Black Webbing Nylon Strap Black & Green Analog Dial Quartz Watch XS.0333 seiko 5 Case: Silver titanium Case: Silver titanium Patented stainless steel case Durable screw down case back Scratch resistant hardened mineral glass crystal All metal Japan made quartz movement Active Comfort(TM) ergonomic 4 o'clock crown does not impinge wrist movement Dual Illumination System Button operated EL backlight to illuminate dial Swiss Super Luminous hands & markers 12 24 hour markings dial 100 M water resistance Equipped with removable threaded 2 mm hex head lug bars Equipped with durability certified Active Comfort(TM) high performance bands One size fits all Nylon 4 year battery life (watch timing) 1 while a combination of black and white with red accents displays a stunning fascia illumination This watch displays the date of the month at the three o'clock position