Citizen AN8190-51L Stainless Steel 42mm Men's Chronograph Watch

The Citizen AN8190-51L men's chronograph watch pairs a 42mm stainless steel case with a matching bracelet. It suits men who want one dependable watch for office days, workouts and swimming, thanks to its 10 bar water resistance and stopwatch timing.

This Citizen AN8190-51L men's chronograph watch runs on the Citizen 0520 quartz calibre, so it keeps time without winding. The stopwatch records intervals to 1/100th of a second up to 60 minutes, and a 24-hour sub-dial can show a second time zone or day/night reading. A date window sits on the dial, while mineral glass protects it from everyday knocks. The stainless steel bracelet closes with a fold-over clasp that has push-button release.

Key features and benefits of the Citizen AN8190-51L

• Quartz calibre 0520: The watch uses the Citizen 0520 quartz movement, which runs on a battery instead of a winding spring. You get steady timekeeping without setting or winding it each day.
• Chronograph timing to 1/100 second: The stopwatch records elapsed time in hundredths of a second for up to 60 minutes. That makes it useful for timing short workouts, laps or cooking steps where seconds matter.
• 24-hour sub-dial: A separate dial tracks a full day on a 24-hour scale. You can set it to a second time zone or use it to tell day from night at a glance.
• Date window: A small opening on the dial shows the date and moves forward automatically at midnight. It saves you reaching for a phone to check the day of the month.
• 42mm stainless steel case: The case measures 42 millimetres across and is made from stainless steel. That size sits comfortably on medium to large wrists, and the steel resists rust through daily wear.
• Stainless steel bracelet with fold-over clasp: The metal bracelet matches the case and fastens with a fold-over clasp that has push-button release. The clasp opens and closes quickly, which helps when you put the watch on or take it off during activity.
• 10 bar water resistance: The case is sealed to handle pressure equal to 100 metres of water. You can swim, snorkel or shower with the watch on, but it is not intended for scuba diving.
• Mineral glass: A mineral crystal covers the dial and offers more scratch resistance than acrylic. It protects the face from everyday bumps against desks, doors and bags.
• Three-year international warranty: Citizen covers manufacturing defects for three years through authorised service centres in many countries. Keep the paperwork so a claim is straightforward if a fault appears.

Who the Men's Watch is for

This Citizen AN8190-51L men's chronograph watch fits men who want one watch to cover work, training and travel. The stainless steel case and bracelet look at home with a business-casual shirt, while the 10 bar rating means you can swim without taking it off. The 42mm case suits medium to large wrists, and the push-button clasp makes it quick to remove when you change activities.

• Office days when you want a metal watch that works with a shirt or polo.
• Gym sessions and interval training where a stopwatch helps track sets.
• Weekend walks or hikes where rain and stream splashes are possible.
• Travel where a 24-hour dial helps you keep track of a second time zone.
• Pool or beach trips when you would rather leave the watch on.

Less suitable if: you need a watch for scuba diving; the 10 bar rating covers swimming and snorkelling, not scuba depths.

Men's Watch specifications

Using and caring for the Citizen AN8190-51L

The stainless steel case and bracelet can be wiped with a soft damp cloth to remove sweat and grime. After swimming in salt water or a chlorinated pool, rinse the watch in fresh water and dry it, because residue can weaken the case seals over time. Have the battery changed by a watchmaker who can pressure-test the watch afterwards, and check that the crown is pushed in before you go near water.

• Rinse with fresh water after contact with salt water or chlorine.
• Wipe the bracelet and case with a soft cloth to keep the steel clean.
• Use a watchmaker for battery changes so the case can be resealed and pressure-tested.
• Keep the watch away from strong magnets, which can affect quartz timekeeping.
• Check the crown is fully in before swimming or showering.

How to choose the right Men's Watch

When you choose a men's chronograph watch, case size, water rating, clasp security and movement type matter most. The Citizen AN8190-51L has a 42mm stainless steel case, which suits medium to large wrists. Its 10 bar water resistance covers swimming and snorkelling but not scuba diving. A fold-over clasp with push-button release keeps the bracelet locked during active use, and the Citizen 0520 quartz calibre runs on a battery, so you avoid daily winding. If those four points match how you plan to wear the watch, the AN8190-51L is a direct fit.

Frequently asked questions

What materials are used in the Citizen AN8190-51L?

The case and bracelet are stainless steel, and the dial is covered by mineral glass. Stainless steel resists corrosion, while mineral glass handles everyday scratches better than acrylic.

What is the case size of the Citizen AN8190-51L?

The case diameter is 42 millimetres, which suits medium to large wrists. That measurement is across the case, not the bracelet width.

Can I swim with the Citizen AN8190-51L?

The watch has 10 bar water resistance, which is equivalent to 100 metres of water pressure. You can swim and snorkel with it, but it is not rated for scuba diving.

What does the chronograph measure?

The stopwatch records elapsed time to 1/100th of a second up to 60 minutes. A 24-hour sub-dial can show a second time zone or day/night reading, and a date window is also on the dial.

What does the warranty cover?

Citizen provides a three-year international warranty that covers manufacturing defects. Service is handled through authorised centres in many countries.

How do I adjust the bracelet?

The stainless steel bracelet has a fold-over clasp with push-button release for quick on and off. For a larger size change, a jeweller can remove links to adjust the fit.

What kind of crystal protects the dial?

Mineral glass covers the dial. It is harder than acrylic and resists everyday scratches from desks or bags.

How long does the battery last?

A quartz calibre such as the Citizen 0520 usually runs for two to three years on one battery. Have it replaced by a watchmaker who can reseal and pressure-test the case.