The Citizen Tsuyosa 60 NK0030-51X revives the allure of mechanical watchmaking by incorporating a 60-hour power reserve into a balanced 37-mm case. Designed for those who appreciate the value of automatic movements and contemporary design, it is the ideal choice to enhance your collection or as a timeless, elegant gift.

Self-winding mechanical movement
Powered by the Caliber 8310 with a power reserve of approximately 60 hours, ensuring continuous operation even after a full weekend of inactivity

Transparent case back
The integrated case back allows you to directly admire the rotor and the mechanical movement’s gear train in action

Iconic design
Steel case and integrated bracelet with a polished and satin-finished finish, paired with a striking, colorful dial offering excellent readability

Durability and Protection
Highly transparent, scratch-resistant sapphire crystal protects the dial and ensures maximum durability

Technical Details:
Movement: mechanical self-winding (Caliber 8310, approximately 60-hour power reserve)
Case and Bracelet Material: Stainless steel case and integrated stainless steel bracelet with a folding clasp
Case Size: 37.00 mm diameter
Glass Composition: Scratch-resistant sapphire
Water resistance: WR 5 bar (50 meters), suitable for everyday use
Compatibility: 37 mm size with a unisex, well-proportioned design, ideal for both men’s and women’s wrists and perfect for pairing with casual or elegant outfits