
Seiko 5 Men's Automatic Watch SNKP18J1 Brown Rose Gold
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2-year international warranty
Classic Brown Seiko 5: 7S26 21 Jewels, 37mm, Exhibition Caseback
Collection
The Seiko SNKP18J1 belongs to the Seiko 5 range, one of the most iconic lines in Japanese watchmaking. Launched in 1963, this collection embodies accessible automatics: 37mm case, 21-jewel 7S26 caliber, 30m water resistance. Note: the 7S26 does not have hacking or manual winding — an intentional characteristic of this entry-level caliber.
Case
The case of the Seiko SNKP18J1 is made of stainless steel, with a diameter of 37 mm and a thickness of 11 mm. The bezel is fixed. The brown dial is protected by a Hardlex crystal, a proprietary Seiko treatment for light scratches. The caseback is exhibition (transparent), allowing observation of the movement in operation. The water resistance is 30 m, suitable for splashes and rain.
Movement
The Seiko SNKP18J1 is powered by the automatic caliber 7S26, 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 functions intentionally absent on this entry-level caliber. Its accuracy hovers around ±15 seconds per day, which is expected for an automatic movement in this segment.
Strap
The Seiko SNKP18J1 is equipped with a stainless steel bracelet, both robust and easy to maintain, fastened by a deployment clasp, which makes putting on and taking off the watch easier by securing the bracelet to the wrist. The lug width is 18 mm.
Specifics
Housing
Dial
Bracelet
Other features
Supplied with: Storage box, presentation pad, user manual.
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