Citizen Tsuyosa NK5010-01H

The Citizen “Tsuyosa” Small Second Automatic (NK5010-01H) is a refined modern timepiece that brings contemporary sophistication and elevated styling to a classic sports-chic silhouette. Housed in a beautifully finished 40 mm stainless steel case, the watch features a highly detailed, textured grey dial that stands out with its intricate patterns. The standout design element is the contrasting small seconds sub-dial positioned gracefully at 6 o’clock, complemented by luminous silver-tone hands and sharp baton markers. A subtly recessed crown at the 4 o’clock position preserves the case’s clean and aerodynamic silhouette.

Beating inside is the high-performance Citizen Caliber 8322 mechanical automatic movement, boasting an impressive 60-hour power reserve that keeps the watch running reliably through a busy weekend. An exhibition case back offers an uninterrupted view of the beautifully finished Japanese movement at work. Protected by a scratch-resistant sapphire crystal with an anti-reflective coating, the watch ensures pristine legibility. Paired with an integrated black leather strap equipped with a secure double-push deployment clasp, and supported by 50 meters of water resistance, the NK5010-01H offers a perfect balance of executive elegance and effortless daily versatility.

Basic Information

Reference: NK5010-01H
Collection: Tsuyosa Automatic Small Seconds
Case Diameter: 40 mm
Case Thickness: 11.7 mm
Case Material: Stainless steel
Water Resistance: 50-meter (5 bar)
Movement Type: Automatic Mechanical

Movement & Features

Caliber Number: 8322
Jewels: 21
Power Reserve: Approximately 60 hours
Vibrations: 21,600 vph (3 Hz)
Functions: Hours, minutes, small seconds at 6 o’clock
Special Features: Hacking mechanism, Exhibition case back, Recessed 4 o’clock crown, Luminous hands and markers

Exterior

Crystal: Anti-reflective sapphire crystal
Dial Colour: Textured Grey
Band Material: Leather (Calfskin)
Band Colour: Black
Clasp Type: Deployment clasp with double push-button release