Citizen Tsuyosa NK0020-55E – Contemporary elegance with 60 hours of performance
The Citizen Tsuyosa collection has gained new models that bring colour, elegance and sophistication for everyday wear. The NK0020-55E combines the line's modern design with impressive technical performance, offering a 60-hour power reserve through the automatic Calibre 8310 movement.
The black dial contrasts with the applied indices and luminous hands, ensuring excellent legibility in any situation. The magnifier over the date window at 3 o'clock is a classic detail, while the crown positioned at 4 o'clock maintains the watch's fluid and ergonomic silhouette.
The stainless steel case features a chamfered and brushed finish, with mirror polishing on the bezel and the central links of the multi-piece bracelet, resulting in a refined and comfortable aesthetic on the wrist. The sapphire crystal ensures scratch resistance, and the transparent case back reveals the details of the movement, including the blued screws that highlight the internal mechanical beauty.
Specifications
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Feature
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Details
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Model
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Citizen Tsuyosa NK0020-55E
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Movement
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Automatic Calibre 8310 (manual and automatic winding)
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Power reserve
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Approximately 60 hours
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Jewels
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21
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Frequency
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21,600 vph
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Functions
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Hours, minutes, seconds, date with magnifier
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Accuracy
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-20 to +40 seconds/day
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Dial Colour
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Black
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Dial
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Hands and indices
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Case
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Porridge
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Bracelet
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Multi-piece stainless steel with butterfly clasp
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Crystal
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Sapphire
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Case back
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Transparent
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Diameter
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40 mm (approx.)
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Thickness
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11.7 mm (approx.)
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Water resistance
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5 bar (50 m)
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Warranty and originality
This is a 100% original Citizen product, sold by our authorized store in Portugal. It comes complete with a certificate filled with all our store's information and an official 3-year Citizen warranty.

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