The reference SNZG59 belongs to the Seiko 5 collection, powered by the durable, non-hacking 7S36 automatic calibre. Rather than an integrated complication, this model employs a rotating external bezel marked with major cities to manually track a second time zone. The 42mm stainless steel case surrounds a textured maroon dial, which displays the series' hallmark day-date aperture at three o’clock. Internally, the movement utilizes Seiko’s Magic Lever winding system, a mechanism renowned for its high winding efficiency and low maintenance requirements.
Established in 1881 by Kintarō Hattori, Seiko is defined by its principle of complete vertical integration, manufacturing every single component of its timepieces in-house. They were the primary catalyst of the "Quartz Crisis" with the commercial release of the 1969 Astron—the world’s first quartz watch—the brand simultaneously advanced mechanical horology, developing one of the first automatic chronographs and pioneering high-frequency movements to challenge Swiss standards.
Seiko's relentless innovation continues with proprietary technologies like Spring Drive, which blends mechanical power with quartz precision. This technical mastery underpins Seiko's legacy in creating archetypal and exceptionally durable tool watches, particularly in the domain of professional diving.
Overall Grade: 8 / 10 | Great Condition, Light Visible Wear Production: 2025 Contents: Full-set Genre: Everyday Sports Watch
Size: 42mm Thickness: approx. 12mm Lug Width: 20mm
Case: Stainless steel, mirrored finished, brushed lugs, light visible wear Bezel: Stainless steel, World Time city bezel, mirrored finish, light visible wear Dial: Maroon/red dial with central guilloche, applied markers, day-date window Hands: Steel baton hands, lumed
Crown: Stainless steel push-pull crown, light visible wear Crystal: Hardlex mineral crystal, light visible wear Bracelet: Stainless steel bracelet, light visible wear Caseback: Stainless steel solid screw-down caseback, light visible wear Movement: Automatic Caliber: 7S36