Seiko › Dress › Seiko › SNKN37
Seiko SNKN37
Seiko · Automatic. Sold new
Video reviews
Hammond Watch · YouTube
Gassy Jack Gear Reviews · YouTube
Videos are made by independent reviewers and play from YouTube; they’re not ours. We picked ones that name this reference. Own one? Share your photos.
Where to buy
New · grey market (unauthorized)
Often cheaper. Covered by the store’s own warranty, not Seiko’s.
Pre-owned
Check condition, box and papers. Usually no warranty.
Search links show live listings, so check the exact reference before you buy. Prices change; each one shows when we checked it. We may earn a commission from some links. It doesn’t change your price or which stores we list. Authorized vs grey market vs pre-owned.
The basics
Price
$250
Seiko US list, 2026-10-23
Size
43.5 mm × 11.4 mm
Comes on
Leather strap
Water resistance
50 m
Sapphire crystal
No
Hardlex
Screw-down crown
Not listed by Seiko
How it works day to day
Movement
Automatic
Caliber 7S26
Bezel
No rotating bezel listed
Hacking seconds
No
Seconds hand keeps running while you set the time
Hand-winding
No
Automatic only: shake or wear it to start
Power reserve
About 40 hours