The Seiko SKZ331 is a mechanical automatic watch with movement-case reference 7S36-05D0. It houses the 7S36 caliber with 23 jewels, running at 21600 bph with an accuracy of +45/-35 seconds per day. It has a 41 hours power reserve, no hand-winding and no stop seconds hand function.
Depending on the region, bracelet model and other features you may find this watch reference written as SKZ331J, SKZ331J1, SKZ331J2, SKZ331K, SKZ331K1, SKZ331K2, SKZ331P, SKZ331P1, SKZ331P2, etc.
|Power reserve||41 hours|
|Stop seconds hand||no|