SEIKO-ASTRON GPS SOLAR LIMITED EDITION SSH139 37mm which can be seen through

which can be seen through the sapphire-crystal caseback

the watch is equipped with a signal reception result indicator

enhanced with Super LumiNova® Grade X2 and a protective dust cover

18KYG DI9=

SEIKO-ASTRON GPS SOLAR LIMITED EDITION SSH139 37mm which can be seen throughAstron GPS Solar Limited Edition Limited Edition of 1,200 Production serial number engraved on caseback GPS Solar Dual Time with perpetual day and date calendar correct to the year 2100 High speed GPS dual time and time zone adjustment Dual time indicator (39 time zones) Time transfer function AM PM indicator Daylight saving time and power save functions Black sapphire crystal bezel insert with green accents Black pressed pattern dial with green