CITIZEN
CITIZEN TSUYOSA Small Second NK5010-01H
CITIZEN TSUYOSA Small Second NK5010-01H
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The TSUYOSA Small Second Automatic NK 5010-01H from the NK5010 series merges ultramodern style with practical functionality, making it ideal for everyday wear.
Features
- Design: Modern sports styling with a versatile 40mm footprint and a seamlessly integrated, matching bracelet.
- Dial: Sunray black with a 3 o’clock date window, contrasting silver-tone details for a classic aesthetic.
- Case: Silver-tone stainless steel for a sophisticated look.
- Crystal: Sapphire crystal with anti-reflective properties for enhanced durability.
Movement
- Caliber: 8322, automatic mechanical movement powered by the wearer’s motion (no battery required).
- Power Reserve: 60 hours.
- Additional Functions: Small second hand, hours, minutes, seconds.
Technical Data
-
Case Dimensions:
- Diameter: 40 mm
- Lug Width: 13 mm
- Material: Stainless steel case and leather strap.
- Clasp: Deployment clasp with push buttons for a secure fit.
- Water Resistance: WR50 (5 Bar, 50 meters / 166 feet). Suitable for still-water swimming.
Additional Details
- Interchangeable Straps: Compatible with 22mm Tsuyosa Small Second Automatic proprietary straps, allowing easy transition between styles. Straps are only compatible with Tsuyosa styles NK5010-51L, NK5010-51X, and NK5010-01H.
For more details, visit the official Citizen website here.
Warranty:
- The watch is covered by a warranty, providing assurance and protection for your purchase.
▶︎Processing Time & Shipping Policy
▶︎We only carry CITIZEN USA products.
▶︎We DO ship internationally.
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Explore Your Favorite CITIZEN Watches
Explore our current selection of CITIZEN watches. If you don’t see your preferred model, check the CITIZEN USA website, note the model number, and contact us via email or phone(415-567-2400) to place your order. Ask about our special deals!
Please note:
- We only carry CITIZEN USA products.
- We DO ship internationally.

Trusted Since 1967
Our owner, Asuka Saito, is certified by both Gemological Institute of America (GIA) and Cultured Pearl Association of America (CPAA), and we also have a GIA-certified appraiser on staff. Asuka is also a color specialist, certified as a TC Color Therapist and Sensational Color.