CASIO MTP-M100L-1A Men's Moon Phase Analog Watch Black Leather

The CASIO MTP-M100L-1A is a men's analog moon phase watch with a black dial and a genuine leather strap. It pairs a stainless steel case with quartz timekeeping and a moon-phase sub-dial. The classic round design suits office days and formal evenings, while everyday splash resistance covers rain and hand washing.

The dial uses an analog three-hand layout for hours, minutes and seconds, so reading the time follows the familiar pattern most people already know. A moon-phase sub-dial tracks the lunar cycle at a glance. The stainless steel case is corrosion resistant and resists scratches, while the genuine leather strap softens with wear. Quartz movement runs on a battery and keeps time with minimal maintenance. Water resistance is rated for everyday splashes and brief immersion, not swimming or diving. The black dial has high-contrast markers and luminous hands for easier reading in low light.

Key features and benefits of the CASIO MTP-M100L-1A

• Moon-phase sub-dial: a small dial shows the current stage of the lunar cycle. It adds an astronomical display without changing the familiar analog layout.
• Stainless steel case: the case is made from stainless steel, a metal that resists corrosion. This helps it cope with daily knocks and keep its finish.
• Genuine leather strap: the strap is real leather and softens as it bends with your wrist. That makes it comfortable through long office days.
• Quartz movement: a battery-powered quartz movement drives the hands. It keeps time accurately and needs little routine attention beyond battery changes.
• Water resistance: the watch is rated for everyday splashes and brief immersion. Rain and hand washing are within its intended use, but swimming is not.
• Black dial with high-contrast markers: the dark dial makes the markers stand out. Luminous hands help you read the time in low light.
• Classic round case: the round case follows traditional watch proportions. It sits neatly with business dress and casual clothes.
• Analog three-hand layout: hour, minute and second hands give a familiar way to read time. You do not need to learn a digital menu or extra mode.
• Men's standard sizing: the case width is chosen for the average male wrist. It gives a balanced look without a bulky feel.
• 20 mm strap fit: the leather strap uses standard spring bars and can be swapped for another 20 mm strap. A watch tool or a jeweller can make the change.

Who the watch is for

The CASIO MTP-M100L-1A suits men who want an analog watch that moves from work to evening without a change of style. Its moon-phase sub-dial appeals to anyone who likes a traditional complication, and the leather strap keeps the watch comfortable through a long day. The stainless steel case and splash resistance make it practical for commuting and everyday errands. It is also a considered gift for a young professional who needs a classic watch for interviews, dinners and weekends.

• Business meetings where a polished, classic watch fits the dress code.
• Dinner dates and social gatherings that call for a subtle dress watch.
• Daily commuting in rain, thanks to everyday splash resistance.
• Weekend museum visits or casual brunches where a leather strap feels at home.
• Birthday or graduation gift for a young professional starting a career.

Less suitable if: you need a watch for swimming, diving or high-pressure water activities. The CASIO MTP-M100L-1A is rated for everyday splashes and brief immersion, so it should not be your pool or open-water watch.

Watch specifications

Using and caring for the CASIO MTP-M100L-1A

Set the time by pulling the crown to the second position, turning it until the hands show the right hour and minute, then pushing the crown back in. The quartz movement starts again as soon as the crown is home. Keep the leather strap away from prolonged moisture, and apply a leather conditioner from time to time to keep it supple. Wipe the stainless steel case with a soft, dry cloth. Avoid abrasive cleaners, and do not force the moon-phase sub-dial.

• Adjust the time through the crown only; leave the moon-phase sub-dial alone when setting.
• Take the watch off before swimming or showering to protect the leather strap.
• Store it in a dry place with a steady temperature when it is not on your wrist.
• Have the battery replaced at a qualified service centre to preserve water resistance.

How to choose the right watch

When you choose a watch, start with case material, strap material, movement and water resistance. The CASIO MTP-M100L-1A uses a stainless steel case, which resists corrosion and daily scratches. Its genuine leather strap softens with wear, so it suits long days at a desk or in meetings. Quartz movement keeps maintenance low, and everyday splash resistance covers rain and hand washing. The classic round design and black dial move easily between formal and casual outfits. If you need a watch for swimming or diving, look for a higher water-resistance rating instead.

Frequently asked questions

What is the case made of?

The case is made of stainless steel. This metal resists corrosion and everyday scratches, which helps the watch keep its finish.

Does the watch have a moon phase display?

Yes, the CASIO MTP-M100L-1A men's analog moon phase watch has a moon-phase sub-dial. It shows the current stage of the lunar cycle at a glance.

Is the watch water resistant?

Yes, it is water resistant for everyday splashes and brief immersion. It is not rated for swimming or diving.

What movement powers the watch?

The watch uses a battery-powered quartz movement. Quartz keeps time accurately and needs little routine maintenance.

Who is the CASIO MTP-M100L-1A designed for?

It is designed for men who want a classic analog watch for work and casual wear. The moon-phase display also appeals to watch enthusiasts.

Can I change the leather strap?

Yes, the leather strap uses standard spring bars and can be swapped for another 20 mm strap. A watch tool or a jeweller can make the change.

How do I set the time?

Pull the crown to the second position, turn it until the hands show the correct time, then push the crown back in. The quartz movement starts running as soon as the crown is pushed home.

What size strap does the watch take?

It takes a 20 mm strap. The standard spring bars make the change straightforward with a watch tool or a jeweller.