Seiko SSA451J1 with self-winding mechanical movement, caliber 4R57 with about 40 hours of power reserve. It operates at a frequency of 21,600 vibrations per hour with 29 total rubies. Movement stop functions, time, date, seconds and time.

The stainless steel case, has a diameter of 40.8 mm. The distance between the lugs is 20 mm. Screw-down case back with view of the mechanism. Water resistance up to 5 bar/50 meters.

Tempered mineral domed glass at the top and bottom.

Shaded green dial, giving way to the smaller dial indicating the date. Logo at 12 o’clock. Polished steel indexes, hands glow in the dark due to the lumibrite they are made of. Charge indicator between 11 o’clock and 4 o’clock.

Smooth brown calfskin leather strap with buckle closure.

Watch accompanied by official Seiko packaging and 2-year warranty.