The Seiko Prospex Solar Speedtimer Chronograph (SSC939P1) features a distinct blue tachymeter bezel paired with a textured gray dial.Movement: Caliber V192 solar movement with approximately 6 months of power reserve when fully charged.Functions: Includes a chronograph measuring up to 60 minutes in 1/5 second increments, a 24-hour hand, and a date display.Design: The 41.4mm stainless steel case is topped with a curved sapphire crystal and features Lumibrite on the hands and indexes for visibility.