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Product Details

This deep green dial has tiny specks of gold color to give it the depth and beauty of the night sky.
The black case is crowned with a green ceramic bezel whose durable and scratch-resistant surface provides enduring protection.
The three sub dials are picked out with green highlights to enhance their visibility.
The case and bracelet are finished with a scratch-resistant hard coating that preserves its jet-black sheen.

High speed time zone adjustment and automatic synchronization to the exact time every day:

Thanks to the use of three independent motors for the hour, minute and second hands, Caliber 5X requires at the fastest just three seconds to change from one time zone to another.

Astron 5X watch adjusts automatically to the exact time every day.
If it detects sunlight, it will connect with one or more GPS satellites and re-set the time, to a precision of one second every 100,000 years. Even if the watch cannot detect sunlight or fail the first attempt, it remembers the time of the previous successful manual time adjustment (or time zone adjustment) and automatically attempts to receive a signal.

Time transfer function:

The “time transfer function” allows you to switch, simply and instantly, the display of home and destination times between the main dial and the sub dial.

Driving system GPS solar
Caliber Number 5X53
Case Stainless steel
Case coating Dia shield
Glass Dual-curved sapphire crystal
Glass coating Super-clear coating
Lumi Brite Lumibrite on hands and indexes
Drive duration Operating for approx. 6 months (when fully charged), power save: approx. 2 years
Accuracy ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
Water-resistance 10 bar
Magnetic-reluctance Equipped
Size H49.9mm × W42.7mm × D13.3mm
The perimeter of bracelet 195.0mm
Weight 160g
  • Reception result display function
  • Automatic hand position alignment function
  • Power save function
  • Screw case back
  • Overcharge prevention function
  • World time function (39 time zones)
  • DST (Daylight Saving Time)
  • Function to prevent the GPS signal reception (in-flight mode)
  • Satellite acquisition status display function
  • Perpetual calendar to the February 28, 2100
  • Day display
  • GPS signal reception function (Time zone adjustment, automatic time adjustment)
  • Time transfer function (Switching between the main-dial and sub-dial)
  • Dual-time function
  • Power reserve display 
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