Seiko Astron Men's Solar GPS Chronograph Watch

[Movement]Caliber Number[:] 5X83[br]Movement Type[:] GPS solar[br]Precision[:] ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )[br]Power reserve[:] Operating for approx. 6 months (when fully charged), power save: approx. 2 years[br]Jewels[:] 14[br]Functions[:] •Overcharge prevention function
•Power save function
•Chronograph up to 12 hours in 1/20 second increments
•Perpetual calendar to the February 28, 2100
•World time function (38 cities)
•Dual-time function
•Day display
•Power reserve indicator
•Time transfer function (Switching between the main-dial and sub-dial)
•GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
•Satellite acquisition status display function
•Reception result display function
•DST (Daylight Saving Time)
•Function to prevent the GPS signal reception (in-flight mode)
•Automatic hand position alignment function[Movement][CaseBand]Case Material[:] Titanium[br]Case Size[:] Thickness:13.4mm
Diameter:43.3mm
Lug-to-lug:49.5mm[br]Crystal[:] Dual-curved sapphire crystal[br]Crystal Coating[:] Super-clear coating[br]LumiBrite[:] LumiBrite on hands and index(es)[br]Clasp[:] Three-fold clasp with push button release[br]Distance between lugs[:] 14[CaseBand][OtherDetails]Water Resistance[:] 10 bar[br]Magnetic Resistance[:] 4,800 A/m[br]Weight[:] 117.0g[br]Features[:] Allergy-safe metal
Clasp with Smart Adjuster function
Screw case back [br]Warranty[:]3 Years International [OtherDetails]