Article code SSH003J1
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  • Overview
  • A timeless wonder of the world... This "Astron" has a stylish and sporty black dial with different time zones and even an automatic summer and winter time changeover. A unique and comfortable timepiece for the traveling man!


Calibre no.: 5X53
Movement type: GPS Solar
Accuracy: extremely accurate: only a deviation of 1 second per 100,000 years
Case material: Titanium case, Black dial and Ceramic Lunette
Glass Material: Sapphire glass
Glass Coating: Anti-reflective coating on inner surface
Strap material: Silver coloured Titanium
Clasp: Folding clasp with pusher
Water resistance: 10 BAR / 100 M / 330 FT
Case size: Diameter 42,9mm × Thickness 12,5mm
Other details / Features: Weight: watch 108 gr, Day/Date function, Duo timer watch, Belt length 21 cm, belt width 18 mm

Product details

Seiko introduces the new 5X GPS Solar caliber. The world's most advanced GPS Solar caliber ever. The new Astron GPS Solar is faster, even easier to operate and offers better reception. Energy consumption has also been optimized.

The Seiko 5X53 caliber is the prestigious analog GPS Solar DualTime caliber. This watch can be set to the correct time zone anywhere in the world at the touch of a button, displaying the correct local time. On the dial, the GPS signal indicator shows if the watch is connecting to the global GPS network. It also shows how many satellites the Watch is connecting to. Connecting to at least 4 satellites is required to determine the correct time zone. When fully charged, the watch connects to one satellite up to twice a day to correct the time. As a result, the 5X53 GPS Solar watch is extremely accurate and has a deviation of only 1 second per 100,000 years. If necessary, the local time can also be changed manually.

The smart Perpetual Calendar function ensures that the watch always shows the correct date up to the year 2100. The watch has an in-flight mode, daylight saving time can be adjusted automatically and a second time can be set. The second time is displayed in a 12h window with a separate AM/PM indicator. With the TimeTransfer function, the display of the two times can be changed by a simple operation.

The built-in watch micro-GPS receiver consumes so little energy that all functions operate optimally on light energy generated by the Solar dial.