Model Overview • Brand: Seiko • Line: Seiko 5 • Case Number: 7S26-02W0 • Movement: Seiko 7S26 (automatic, non-hand winding, non-hacking) • Jewels: 21 jewels • Water Resistance: Usually 30m (though sometimes up to 50m depending on region or specific variant) • Made in: Japan (your watch indicates “Japan” on the rotor)