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Seiko Astron SSH177J1 GPS Solar with a grey dial, titanium case and silver-tone titanium bracelet. With chronograph and second time zone.
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Selected variantSSH177J1
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Contact our storesSeiko Astron SSH177J1 GPS Solar
The Seiko Astron SSH177J1 pairs a grey dial with a silver-tone titanium case. The matching titanium bracelet creates a refined, coordinated appearance.
The GPS Solar movement is powered by light and can adjust the time using GPS signals. A second time zone and world time are useful for travel or keeping track of another part of the world. The chronograph measures elapsed time, while the calendar and power reserve indicator provide useful information at a glance.
The technical details are grouped in the specifications section.
| Case material | Titanium with super-hard coating |
|---|---|
| Case colour | Silver-tone |
| Strap material | Titanium |
| Case dimensions | 44.1 mm |
| Strap width | 14 mm |
| Strap colour | Silver-tone |
| Display | Chronograph |
| Movement | GPS Solar |
| Stopwatch | Measures up to 12 hours in 1/20-second increments |
| Water resistance | 10 bar |
| Date display | Day/date |
| Gender | Men's |
| Calibre | 5X83 |
| Collection | Astron |
| Dial colour | Grey |
| Crystal | Dual-curved sapphire crystal |
| Case shape | Round |
| Weight | 110 g |
| Screw case back | Yes |
| Case back | Titanium |
| Luminous hands | Yes |
| Luminous markers | Yes |
| Clasp | Three-fold clasp with push-button release and easy adjustment |
| Case thickness | 14.4 mm |
| Hand winding | No |
| GMT | Yes |
| Power reserve | 6 months |
| Jewels | 14 |
| Screw-down crown | No |
| Functions | GPS time adjustment; chronograph; second time zone; calendar; world time; power reserve indicator |
| Warranty | 3-year manufacturer warranty subject to Seiko terms |