A technological homage to the genius designs found in nature, this version of the brand's analog-digital hybrid watch features a phosphorescent face that mimics bioluminescent aquatic life, making it always readable, day or night, land or sea. Bio-based resin in the bezel and strap add to the ecological ethos of this rugged, reliable watch. Measurements: 48.5mm x 45.4mm case; 11.8mm case depth; 16mm band width.Strap/closure: Bio-based resin strap with adjustable buckle closure.Movement: Analog-digital quartz movement. Quartz movement: powered by a battery and features an internal electrical circuit to control the rate of the watch's ticking.Complications: Multiyear-time, -day, -date and -month indicators; world time; 12- or 24-hour format; countdown timer, stopwatch, hourly time signal, five daily alarms.Other features: Water resistant to 20 ATM (200 meters); shiftable luminescent hands; selectable-duration LED backlight; screw-down caseback; interchangeable strap with quick-release pins.Face: Mineral crystal face. Resin/bio-based resin Made in Japan Packaged in a white square watch box