


The Gold-Tone Seiko 5 SNKP20K1: Automatic 7S26, 37mm, 30m Water Resistance
Collection
The Seiko SNKP20K1 belongs to the Seiko 5 range, one of the most iconic lines in Japanese watchmaking. Launched in 1963, this collection embodies accessible automatics: a 37mm case, a 21-jewel 7S26 caliber, and 30m water resistance. Note: the 7S26 does not feature hacking or manual winding — an intentional characteristic of this entry-level caliber.
Case
The case of the Seiko SNKP20K1 is made of stainless steel, with a diameter of 37mm and a thickness of 11mm. The bezel is fixed. The gold-tone 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. The water resistance is 30m, suitable for splashes and rain.
Movement
The Seiko SNKP20K1 is powered by the automatic 7S26 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 on this entry-level caliber. Its precision hovers around ±15 seconds per day, which is expected for an automatic movement in this segment.
Strap
The Seiko SNKP20K1 is equipped with a stainless steel bracelet, which is both robust and easy to maintain, fastened by a deployment clasp, which makes putting on and taking off the watch easier while securing the bracelet to the wrist. The lug width is 18mm.
Specifics
Housing
Dial
Bracelet
Other features
Supplied with: Storage box, presentation pad, user manual.
Choose options





Free shipping
2-year international warranty