SEIKO ASTRON SOLAR GPS STAINLESS STEEL BLUE DIAL BRACELET WATCH DST (Daylight Saving Time) Dual-time, Function to prevent the GPS signal reception (in-flight mode) Perpetual calendar to the February 28, 2100 Power save World time function (39 time zones)Satellite acquisition status display function MOVEMENT TYPE: Solar MOVEMENT CALIBRE: 5X53 +/-15 Seconds per Month with No GPS Signal BAND TYPE: Stainless Steel Bracelet CLASP TYPE: Z-Clasp DIAL COLOUR: Blue WATER RESISTANCE (Metres): 100 CASE WIDTH: 42.7mm CASE DEPTH: 13.3mm GLASS TYPE: Sapphire Crystal DATE FUNCTION: Date Only STONE TYPE: