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Battery: Japanese battery
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Style number: 8837
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Case length: 40mm
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Case width: 31mm
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Case thickness: 8.5mm
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Strap width: 25-18mm
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Strap buckle: folding buckle
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The maximum circumference of the strap: 205mm
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Minimum strap circumference: 170mm
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Weight: 91g
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Movement: high-quality quartz movement