The ASTRON SSH107J1 is powered by 5X53 GPS Solar movement. This timepiece features a 42.7mm dial, Thickness of 12.2 mm, and a length of 48.0mm. With an accuracy of ± 15 seconds per month, day display, daylight saving time, dual-time function, and 10 bar water resistance.

Other Specifications include Allergy-safe metal and a screw case back.

Other Features: 

• Automatic hand position alignment function
• Day display
• DST (Daylight Saving Time)
• Dual-time function
• Function to prevent the GPS signal reception (in-flight mode)
• GPS signal reception function (Time zone adjustment, automatic time adjustment)
• Overcharge prevention function
• Perpetual calendar to the February 28, 2100
• Power reserve indicator
• Power save function
• Reception result display function
• Satellite acquisition status display function
• Time transfer function (Switching between the main-dial and sub-dial)
• World time function (39 time zones)