Seiko Prospex SSC923 Night Vision Speed Timer Solar Chronograph Casio G-Shock Step Tracker GMAS130VC-1A Others: Relative altitude readings (±100

Others: Relative altitude readings (±100 m/±1000 m)

Water Resistance: 100 meter

Lug width: 17mm

basic movement Sellita SW 210

Seiko Prospex SSC923 Night Vision Speed Timer Solar Chronograph Casio G-Shock Step Tracker GMAS130VC-1A Others: Relative altitude readings (±100Prospex Speedtimer Solar Chronograph. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. This dramatic watch is part of a high intensity collection inspired by the 1969 "Speedtimer," the world's first self winding chronograph, extending it to the Black Series. Featuring Seiko's "Green LumiBrite Pro," developed by combining the color