Seiko Prospex x Automatic ft. Monster aka PADI (Special Edition) Men Diver Round 200m Water Resistant Watch SRPE27K1 SRPE27 SRPE-27 SRPE-27K1 Dive into adventure with the Seiko Prospex Monster PADI Special Edition SRPE27K1 - a professional 200m water-resistant automatic diver watch. Features LumiBrite markers, unidirectional bezel, screw-down crown, and the robust 4R36 movement (41h power reserve). 42.4mm stainless steel case with secure clasp. Special edition PADI design for underwater excellence. Built for performance with day-date display and hacking seconds. Caliber Number / Movement 4R36 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+45 to -35 seconds per day) Crystal Hardlex crystal with magnifier Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release with extender) Water Resistance 200m / 660ft diver Case Size Thickness: 13.4 mm Diameter: 42.4 mm Length: 49.4 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. Monster aka PADI (Special Edition) SPECIAL EDITION on the case back Unidirectional rotating bezel Screw-down crown Screw case back 24 jewels Day and date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)