



Seiko 5 Classic Gold 37mm: 7S26 No Hacking, Gold Dial
Collection
The Seiko SNK366K1 belongs to the Seiko 5 series, continuously produced for over six decades. It's one of the few entry-level automatics that relies on an in-house caliber: the reliable and low-maintenance 7S26. It features a 37mm case, 30m water resistance, and an exhibition case back to observe the rotor.
Case
Made of stainless steel, the case of the Seiko SNK366K1 measures 37 mm in diameter and 11 mm in thickness. The bezel is fixed. The dial is protected by Hardlex glass, a proprietary Seiko treatment for light scratches. The case back is exhibition (transparent), allowing observation of the movement in operation. Its water resistance is 30 m, suitable for splashes and rain.
Movement
The Seiko SNK366K1 is powered by the 7S26 automatic caliber, offering a power reserve of approximately 41 hours. This movement does not feature hacking (stopping the second hand for time setting) or manual winding — two functions intentionally absent from this entry-level caliber. Its accuracy hovers around ±15 seconds per day, which is expected for an automatic movement in this segment.
Strap
The stainless steel bracelet of the Seiko SNK366K1, secured by a folding clasp, consistently complements the case. The lug width is 18 mm.
Specifics
Housing
Dial
Bracelet
Other features
Supplied with: Storage box, presentation pad, user manual.
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2-year international warranty