The DEFY Midnight Sunset is crafted in a 36mm steel case with a diamond-set bezel, featuring a guilloché engraved dial with a vertical colour gradient shifting from red to yellow. The DEFY Midnight women's watch comes with a steel bracelet with multiple straps than can easily be swapped without requiring any tools. Powered by the ELITE automatic manufacture calibre. Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers. MOVEMENT Caliber: H855 Movement Type: Solar Precision: ±15 seconds per month Power Reserve: Operating for approx. 5 months (when fully charged)Jewels: 34 Functions: Power save function Chronograph up to 100 hours in 1/100 second increments Alarm function (daily alarm) Full-auto calendar correct to the December 31, 2100 Battery life warning function LED (the built-in illuminating light) function CASE/BAND Material: Stainless steel (hard coating) Size: Thickness: 14.2mm, Diameter: 46.9mm, Lug-to-lug:50.9mm Crystal: Hardlex LumiBrite: LumiBrite on hands, index(es) and bezel Clasp: Three-fold clasp with secure lock , push button release with extender Distance Between lugs: 22 OTHER DETAILS Water Resistance: 200m / 660ft diver's Magnetic Resistance: 4,800 A/m Weight: 184.0g Features: LIMITED EDITION on the case back Serial number engraved on the case back Unidirectional rotating bezel Screw-down crown Three-fold clasp with secure lock Screw case back REF: SNJ037