The Nixon Siren SS is for those who bring an innate sense of style to their time both in and out of the water. Feature-filled but fashion-focused, the 10 ATM water-resistance is a nod to their surfing heritage, blended with versatile functionality with a serious dose of street style. Movement Custom digital module with basic tide. Functions include time of day (12 hour or 24 hour), day/date calendar through 2099, basic tide, future tide, EL backlight, chronograph, and customizable countdown timer. Home screen can be set to display time and date or time and tide. Dial Custom negative LCD with a printed dial masking. Case 36 mm, 100 meter/10 ATM, waterproof case made of stainless steel. Sealed pushers, screwed case back and stainless steel screw pins. Band 18 mm - 16 mm tapered custom injection molded ultra-soft silicone band with a patented locking looper and a solid stainless steel buckle and screw-bars. FeaturesTide informationCalenderBasic/Future tideBacklightCountdown timerNegative LCD displaySilicone band