- This Astron solar-powered timepiece is themed ‘Solidity,’ symbolising Seiko’s innovative spirit which has been present since the brand’s beginnings in 1881.
- Under a sapphire crystal glass, within a compact and slim bezel design, is a white-silver dial with a vertical hairline finish.
- The increased charging capacity of this calibre allows for a textured dial whilst still maintaining high charging efficiency.
- The titanium case construction has a super hard coating for increased scratch resistance.
- The case is a compact and angular design that flows seamlessly from the bezel, through the lugs and to its bracelet. With sleek lines, this watch has a slim profile.
- Powered by the in-house built 5X83 solar GPS calibre, which inherits the same functions of the 5X53, but it has the added capability to measure elapsed time through its chronograph feature.
- The chronograph can measure elapsed time up to 1/20th of a second. It is accurate to ± 15 seconds per month whilst having a power reserve of 6 months at full charge, and can be charged by any light source – either natural sunlight or artificial light – for convenience.
- Seiko Astron: the world’s first GPS solar watch – powered by light, automatically adjusted to your exact time through the latest satellite technology.
- Displays date between 4 and 5 o'clock position.
- A silver titanium (super hard coating) case watch.
- Serial number engraved on the case back and allergy-safe metal.
- A titanium bracelet finished with a three-fold clasp with push button release to ensure security on the wrist.
- This piece has sleek lines and a slim profile that seamlessly flows through the lugs to the bracelet.
- Automatic hand position alignment function, DST (Daylight Saving Time), Dual-time function.
- Function to prevent the GPS signal reception (in-flight mode), Time zone adjustment, automatic time adjustment.
- Overcharge prevention function, Perpetual calendar to the february 28, 2100, Power reserve indicator, 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).
- 100 metres water-resistant.
- 3 years manufacturer warranty.
| Warranty | 3 years | 
| Edition | Astron | 
| Dial Colour | Silver | 
| Date Feature | Date display between 4 and 5 o'clock position | 
| Usually For | Men | 
| Glass | Sapphire Crystal | 
| Water Resistancy | 100 Metres | 
| Case Width | 42mm | 
| Case Thickness | 12.4mm | 
| Case Shape | Round | 
| Case Back | Screwed | 
| Case Material | Titanium | 
| Band Material | Titanium | 
| Band Width | 20mm | 
| Band Type | Bracelet | 
| Clasp Type | Three-fold clasp with push button release | 
| Movement | Solar | 
| Calibre | 5X83 | 
| Jewels | 14 | 
| Power Reserve | 6 Months | 
| Accuracy | ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C ) | 
| Vibrations | 21,600 vibrations per hour (6 beats per second) | 
| Magnetic Resistance | 4,800 A/m | 
 
             
         
         
         
          
     
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