Seiko Watch ref. SKZ640

The Seiko SKZ640 is a mechanical automatic watch with movement-case reference 7S36-6080. 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.

Ref.	SKZ640 Depending on the region, bracelet model and other features you may find this watch reference written as SKZ640J, SKZ640J1, SKZ640J2, SKZ640K, SKZ640K1, SKZ640K2, SKZ640P, SKZ640P1, SKZ640P2, etc.
Case-movement ref.	7S36-6080
Case-Dial code	608-019
Caliber	7S36
Type	mechanical automatic
Jewels	23
Power reserve	41 hours
Hand-winding	no
Stop seconds hand	no
Crystal
Strap/Bracelet ref.	G1470G

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