


The 5 Sports Blue: 42mm case, 7S36 caliber non-hacking & no manual winding
Collection
The Seiko SKZ209J1 belongs to the Seiko 5 Sports range. This sporty and accessible collection features a reliable 7S36 automatic movement in a 42mm steel case, water-resistant to 100m — sufficient for swimming and active daily life. The blue dial and unidirectional bezel provide optimal readability.
Case
Made of stainless steel, the case of the Seiko SKZ209J1 measures 42mm in diameter and 12mm in thickness. The unidirectional rotating bezel allows for precise measurement of dive times. The dial is protected by a Hardlex crystal, a proprietary Seiko treatment for light scratches. The case back is exhibition (transparent), allowing observation of the movement in operation. Water resistance is 100m, sufficient for swimming and snorkeling. The indexes and hands are coated with LumiBrite, Seiko's luminescent material for extended night-time readability.
Movement
The Seiko SKZ209J1 is powered by the automatic caliber 7S36, offering a power reserve of approximately 41 hours. This movement does not feature hacking (stop-seconds 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. The day-date display is positioned at 3 o'clock.
Bracelet
The stainless steel bracelet of the Seiko SKZ209J1, secured by a deployant clasp, complements the case cohesively. The lug width is 22mm.
Specifics
Housing
Dial
Bracelet
Other features
Supplied with: Storage box, presentation pad, user manual.
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2-year international warranty