A watch with date function is useful to see in one glance what the date is today. Discover the complete overview of date watches below. There are also models with a day indication.

How does a date watch work?

In a watch with a date display, its also what powers the date train. Most watches operate on a 12-hour dial, and so the hour wheel rotates once every 12 hours. This rotation then moves the date disc driving wheel round at double the ratio, to account for the 24 hours in a day.

What is the date called on a watch?

Aperture. A small opening (also called a “window”) in the dial that displays certain information such as the date, day, month or moon-phase.

Does a watch Need a date?

Mechanical timepieces are unnecessary — we all know that. So, in reality, you dont “need” any additional information from your watch such as the day or the date. You have all of that on your phone. If you have a mechanical device on your wrist that looks cool and, at a minimum, tells you the time, then you are set.

What was the first watch with a date?

In 1930 Mimo (Girard Perregaux) patented and released to the market the Mimo-Meter, first wristwatch with a date window.

How does watch know the month?

In order to be able to tell whether a month has 30 or 31 days, the watch movement must be “programmed” as an annual calendar. This type of wristwatch shows the correct date all the way to February 28. Regardless of whether it is a leap year or not, the date must then be manually corrected to March 1.

What is the glass on a watch called?

Crystal. The clear portion of the watch face that protects the dial, hands, etc. The crystal can be made of plastic, glass or synthetic sapphire. The crystal of a watch is like the window of a house - protects the interior from the elements while still allowing you to see in.

How does the Rolex Day Date work?

How does it work? The days of the week and dates of the month sit on two discs that rotate beneath the watch face, automatically changing at midnight. Today, the Rolex Day-Date is available with the days of the week in 26 different language options.

How do you know if it is 30 or 31 days?

One form of the mnemonic is done by counting on the knuckles of ones hand to remember the number of days in each month. Count knuckles as 31 days, depressions between knuckles as 30 (or 28/29) days.

Why is it called a watch glass?

Watch glasses are named so because they are similar to the glass used for the front of old-fashioned pocket watches. In reference to this, large watch glasses are occasionally known as clock glasses.

Is Rolex glass scratch resistant?

Yes, a Rolex sapphire crystal can both shatter or scratch. While a sapphire crystal is extremely hard and durable, it can scratch, and even shatter. A downside of the Rolex sapphire crystal is that, if youre unfortunate, the whole crystal can shatter.

What are the 3 small circles in a watch?

Subdials are the mini-dials that sit on the watch face or dial. Also known as auxiliary dials, subdials serve different functions—like tracking lapsed seconds, minutes, and hours, the phases of the moon, a second time zone —across mechanical and specialty watches like chronographs, calendars, and GMT watches.