
Classic Black Seiko 5: 7S26 21 Jewels, 37mm, Exhibition Caseback
Collection
The Seiko SNKL88K1 belongs to the Seiko 5 series, which has been in continuous production for over six decades. It is one of the rare entry-level automatics that relies on an in-house caliber: the 7S26, which is reliable and low-maintenance. It features a 37mm case, 30m water resistance, and an exhibition caseback to view the rotor.
Case
Made of stainless steel, the case of the Seiko SNKL88K1 measures 37mm in diameter and 11mm thick. The bezel is fixed. The dial is protected by Hardlex glass, a proprietary Seiko treatment for light scratches. The caseback is exhibition (transparent), allowing observation of the movement in operation. Water resistance is 30m, suitable for splashes and rain.
Movement
The Seiko SNKL88K1 is powered by the 7S26 automatic caliber, offering a power reserve of approximately 41 hours. This movement does not have hacking (stopping the second hand for time setting) or manual winding — two intentionally absent functions on this entry-level caliber. Its accuracy hovers around ±15 seconds per day, which is expected for an automatic movement in this segment.
Bracelet
The stainless steel bracelet of the Seiko SNKL88K1, secured by a deployment clasp, complements the case coherently. The lug width is 18mm.
Specifics
Housing
Dial
Bracelet
Other features
Supplied with: Storage box, presentation pad, user manual.
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2-year international warranty