This Seiko Prospex Solar SSC961P1 has a 39mm steel case with white dial. It has a solar timepiece, sapphire crystal, date display and is 100m water resistant.
This Seiko Prospex Solar Speedtimer has a steel case of 41.4 mm with a blue dial with red accents. It has a solar movement, sapphire glass, date display and is 100m water resistant.