Seiko SRPE27 Prospex PADI Monster Automatic Watch oktober Tritium tubes are self-illuminating gas

Tritium tubes are self-illuminating gas tubes which contain an isotope of hydrogen

Case diameter: 36 mm

Bracelet: NBR

date by hand at 6 o'clock

a domed sapphire glass box and a distinctive silvery-white dial

Seiko SRPE27 Prospex PADI Monster Automatic Watch oktober Tritium tubes are self-illuminating gasProspex PADI Special Edition Manual and automatic winding capabilities 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Blue and red one way rotating elapsed timing bezel Black dial Magnified day date calendar LumiBrite hands and markers Screwdown crown and Special Edition caseback Case diameter: 42. 4mm Stainless steel case and bracelet Tri fold push button release clasp with secure lock and extender Water Resistance: Divers