The Seiko SKZ643 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.
![Watch](https://www.theseikoguy.com/media/watches/skz/SKZ643.jpg)
Ref. | SKZ643 Depending on the region, bracelet model and other features you may find this watch reference written as SKZ643J, SKZ643J1, SKZ643J2, SKZ643K, SKZ643K1, SKZ643K2, SKZ643P, SKZ643P1, SKZ643P2, 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. | G1470S |
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SKZ640
Case reference: 7S36-6080
Case-Dial code: 608-019
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Power reserve: 41 hours
![SKZ641](/media/watches/skz/SKZ641.jpg)
SKZ641
Case reference: 7S36-6080
Case-Dial code: 608-019
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
![SKZ642](/media/watches/skz/SKZ642.jpg)
SKZ642
Case reference: 7S36-6080
Case-Dial code: 608-019
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZ645
Case reference: 7S36-6080
Case-Dial code: 608-019
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Case reference: 7S36-6080
Case-Dial code: 608-019
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZ700
Case reference: 7S36-6080
Case-Dial code: 608-017
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZ702
Case reference: 7S36-6080
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZ731
Case reference: 7S36-6080
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SKZ734
Case reference: 7S36-6080
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZ743
Case reference: 7S36-6080
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Jewels: 21
Power reserve: 41 hours
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Jewels: 21
Power reserve: 41 hours
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SKZ765
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Jewels: 21
Power reserve: 41 hours
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Case reference: 7S36-6080
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZ773
Case reference: 7S36-6080
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Jewels: 21
Power reserve: 41 hours
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SKZ774
Case reference: 7S36-6080
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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Power reserve: 41 hours
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Case reference: 7S36-6080
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SKZA01
Case reference: 7S36-6080
Case-Dial code: 608-027
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZA02
Case reference: 7S36-6080
Case-Dial code: 608-027
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours
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SKZA04
Case reference: 7S36-6080
Case-Dial code: 608-027
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Movement: 7S36
Jewels: 21
Power reserve: 41 hours
![SKZA19](/media/watches/skz/SKZA19.jpg)
SKZA19
Case reference: 7S36-6080
Case-Dial code: 608-027
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours
![SKZA20](/media/watches/skz/SKZA20.jpg)
SKZA20
Case reference: 7S36-6080
Case-Dial code: 608-027
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours
![SKZA21](/media/watches/skz/SKZA21.jpg)
SKZA21
Case reference: 7S36-6080
Case-Dial code: 608-028
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours
![SKZA23](/media/watches/skz/SKZA23.jpg)
SKZA23
Case reference: 7S36-6080
Case-Dial code: 608-028
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours
![SKZA25](/media/watches/skz/SKZA25.jpg)
SKZA25
Case reference: 7S36-6080
Case-Dial code: 608-028
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours
![SKZA26](/media/watches/skz/SKZA26.jpg)
SKZA26
Case reference: 7S36-6080
Case-Dial code: 608-028
Type: Mechanical Automatic
Movement: 7S36
Jewels: 21
Power reserve: 41 hours