Astron SSE087

GPS controlled time and time zone adjustment (40 Time Zones)
Magnetic resistance 4,800A/m
Perpetual date calendar correct to the year 2100
Signal reception result indication
Daylight savings time function
Power save function
Sapphire glass with Seiko's proprietary super clear anti-reflective coating
Tri-fold push button release clasp
LumiBrite hands and arkers
Screwdown caseback
Case Diameter: 45.0mm
Water-resistant to 10 bar, 100 meters (330 feet)
Caliber 8x22