Seiko Watch ref. SNK637

The Seiko SNK637 is a mechanical automatic watch with movement-case reference 7S26-02E0. It houses the 7S26 caliber with 21 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
Ref.SNK637
Depending on the region, bracelet model and other features you may find this watch reference written as SNK637J, SNK637J1, SNK637J2, SNK637K, SNK637K1, SNK637K2, SNK637P, SNK637P1, SNK637P2, etc.
Case-movement ref.7S26-02E0
Case-Dial code02E-05P
Caliber7S26
Typemechanical automatic
Jewels21
Power reserve41 hours
Hand-windingno
Stop seconds handno
CrystalHardlex
Strap/Bracelet ref.3282JG

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Jewels: 21
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SNK700

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Case reference: 7S26-02E0
Case-Dial code: 02E-05Y
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Movement: 7S26
Jewels: 21
Power reserve: 41 hours

SNK702

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Case reference: 7S26-02E0
Case-Dial code: 02E-05Y
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Power reserve: 41 hours

SNKA55

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Case reference: 7S26-02E0
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Jewels: 21
Power reserve: 41 hours

SNKA57

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Case reference: 7S26-02E0
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Jewels: 21
Power reserve: 41 hours

SNKA59

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Case reference: 7S26-02E0
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Power reserve: 41 hours

SNKA61

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SNKA63

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Case reference: 7S26-02E0
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Jewels: 21
Power reserve: 41 hours