Seastar 1000 Quartz Chronograph Water Resistant_300m which comes from their frog

which comes from their frog kick swim style

Strap Material - Silicon

In addition

These models are available in a choice of standard black or white

Seastar 1000 Quartz Chronograph Water Resistant_300m which comes from their frogTECHNICAL SPECS Weight 180 Collection T Sport Gender GENT Water resistance Water resistant up to a pressure of 30 bar (300 m 1000 ft) Warranty 2 Years of Warranty Thickness 12. 8 Case options aluminium bezel ring, screw down crown and caseback, Anti clockwise rotating bezel, Screw down pushers Length 45. 50 Width 45. 50 Case Material 316L stainless steel case Lugs 22. 00 Case shape ROUND Crystal Scratch resistant sapphire crystal with double sided