CITIZEN NJ0180-80L Zenshin Automatic Super Titanium Men's Watch

The CITIZEN NJ0180-80L Zenshin Automatic is a men's watch with a 40.5mm Super Titanium case, an integrated bracelet and a blue dial. It suits men who want a lightweight automatic watch for daily wear, office days and swimming, and its scratch-resistant sapphire glass and 100-meter water resistance make it a practical choice.

The Zenshin Automatic men's watch runs on the automatic caliber 8213, which winds through wrist motion and holds up to 42 hours of power reserve. Super Titanium makes the case and bracelet about 40% lighter than stainless steel and five times harder, so the watch feels light on the wrist while resisting scratches and rust. Luminous hands and markers help you read the blue dial in low light, and a day and date window at 3 o'clock adds daily usefulness. The skeleton case back shows the movement at work.

Key features and benefits of the CITIZEN NJ0180-80L Zenshin Automatic

• Super Titanium case and bracelet: The case and bracelet use Citizen's Super Titanium, a material stated to be five times harder and 40% lighter than stainless steel. That combination helps the watch resist scratches and rust while keeping it comfortable for all-day wear.
• Automatic caliber 8213 movement: The watch is powered by the automatic caliber 8213, which winds itself through wrist motion and stores up to 42 hours of power reserve. You do not need to fit a battery, and normal daily activity keeps it running.
• 100-meter water resistance: The watch is rated at 10 bar, which matches pressure at 100 meters of water depth. It is suitable for swimming and snorkeling, but not for deep diving.
• Sapphire glass: The crystal is made of sapphire glass, a hard material chosen for scratch resistance and clarity over time. It protects the blue dial from everyday knocks and abrasions.
• Blue dial with luminous details: The textured blue dial has an outer black minute ring, silver-tone details, and luminous hands and markers for low-light readability. An off-center sub-dial shows the running seconds and gives the face a distinctive layout.
• Day and date display at 3 o'clock: A window at 3 o'clock shows the day and date, so you can check both without reaching for your phone. The display stands out clearly against the blue dial.
• Skeleton case back: The transparent case back lets you see the automatic movement in motion. It also gives a quick visual check that the watch is running.
• Fold-over clasp with push button: The integrated bracelet closes with a fold-over clasp and a push-button release. The clasp is designed to stay secure while being easy to open with one hand.
• 40.5mm case size: The 40.5mm case diameter is sized to fit most wrists without looking oversized. The integrated bracelet flows from the case for a cohesive profile.
• Integrated Super Titanium bracelet: The bracelet is made from the same Super Titanium as the case, so the weight, colour and durability stay consistent. Brushed and polished finishing adds a refined look.

Who the Men's Watch is for

The CITIZEN NJ0180-80L Zenshin Automatic fits men who want one watch for work, weekends and travel. Its Super Titanium build keeps the weight low on the wrist, and the automatic movement removes the need for a battery. The 100-meter water resistance adds freedom for swimming and snorkeling, while the blue dial and skeleton case back give the watch enough visual interest for evenings out. The 40.5mm case is sized for most wrists.

• Business casual office days when a lightweight watch is more comfortable
• Weekend hiking or cycling where a scratch-resistant crystal helps
• Swimming and snorkeling in shallow water
• Travel where one watch needs to cover several occasions
• Evening events where the luminous dial and open case back add interest

Less suitable if: you need a watch for professional diving beyond 100 meters, or you prefer a quartz movement that needs no winding routine.

Men's Watch specifications

Using and caring for the CITIZEN NJ0180-80L Zenshin Automatic

Wear the Zenshin Automatic regularly so the movement stays wound through wrist motion. If it has been off the wrist for more than 42 hours, wind the crown about 20 turns to restart it, then set the day, date and time. After swimming, rinse the Super Titanium case and bracelet with fresh water. Clean the sapphire glass with a soft cloth, and keep the watch away from strong magnets and extreme heat.

• Wear the watch often to maintain the 42-hour power reserve
• Rinse with fresh water after saltwater or chlorine exposure
• Use a soft microfiber cloth on the sapphire glass
• Store away from magnets and extreme temperature changes
• Have the water resistance seals checked every two years

How to choose the right Men's Watch

For an automatic men's watch, start with case size, case material, water resistance and movement. The CITIZEN NJ0180-80L Zenshin Automatic has a 40.5mm case, which is a middle size that suits most wrists. Its Super Titanium case and bracelet weigh about 40% less than stainless steel and are stated to be five times harder, which matters if you want a light watch that resists scratches. The 100-meter rating covers swimming and snorkeling, and the caliber 8213 gives a 42-hour power reserve. Choose it if those values match how you wear a watch.

Frequently asked questions

What is the CITIZEN NJ0180-80L made of?

The case and bracelet are made of Super Titanium, Citizen's titanium material that is stated to be five times harder and 40% lighter than stainless steel. The crystal is sapphire glass.

How large is the Zenshin Automatic watch?

The case diameter is 40.5mm, a size intended to fit most wrists without an oversized look. The bracelet is integrated with the case.

Can I swim with this watch?

Yes, the watch is rated to 10 bar, or 100 meters, so it is suitable for swimming and snorkeling. It is not rated for deep diving.

What powers the CITIZEN NJ0180-80L?

The watch uses the automatic caliber 8213, which winds from wrist motion and stores up to 42 hours of power reserve. No battery is needed.

Does the watch show the day and date?

Yes, a window at 3 o'clock shows both the day and the date. The display is set against the blue dial.

Can I see the movement through the back?

Yes, the skeleton case back is transparent and shows the automatic movement in motion. It also lets you confirm the watch is running.

How do I set the time and date?

Pull the crown to the first position to set the date, then to the second position to set the time, and push it back in to restart the movement. If the watch has stopped, wind it about 20 turns first.

Does the watch come with a warranty?

CITIZEN provides a 3-year international warranty covering manufacturing defects, with terms and conditions applying. Keep the warranty information with your watch records.