How long should watch hands be?

A good general rule of thumb is that the tip of the hour hand should just reach or touch the inner edges of the hour markers, the tip of the minute hand should reach either the outside of the hour markers or the inside of the minute markers, and the tip of the seconds hand should reach at least the same as the minute …

What is acceptable accuracy for an automatic watch?

What Is Acceptable Accuracy For an Automatic Watch? The levels of deviation differ from caliber to caliber, but an acceptable accuracy for an automatic watch should be +/- 10 seconds per day the most. You’ll definitely find wristwatches with more precise calibers, but they’re the ones that cost significantly more too.

How much time should an automatic watch gain?

A commonly acceptable good accuracy for an automatic watch is around +/- 10 seconds per day, although this will vary depending on few factors.

Do all watch hands fit?

The foremost concern when changing hands is that the new set of hands will fit on the movement of the watch, as hands are not standardized to a small handful of sizes. The size of a hand is determined by two measurements; the diameter of the hole at the hub of the hand and the length of the hand.

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Can loose watch hands be fixed?

It is easy to fix any loose hand on a watch. However, you should also take care of your timepiece by cleaning it regularly.

Can you Overwind an automatic watch?

In most cases, no, you cannot overwind a modern automatic watch. The smart design on these winding mechanisms allow for any excess tension to be released as the spring slips inside of the barrel. Despite that, some wearers choose to store their watches in a watch roll to prevent excess wear on the movement.

Should I wind my automatic watch everyday?

Try to wind your watch once a day. A watch typically keeps best time when the mainspring is above half tension. The typical watch has about a two-day power reserve so winding it up before you strap it on each morning is a good habit to form.

How do I make my automatic watch more accurate?

What should I do for better accuracy?

  1. To improve the accuracy of a mechanical watch, it is recommended that you wind up the mainspring every day, at a fixed time, even if the watch is a self-winding type.
  2. It is important that sufficient energy is supplied to each movement by the mainspring of the watch.

Are watch hands universal?

To answer the OPs original questions, no the hands are not universal.

What are tachymeter watches used for?

The most common use of a tachymeter is for measuring the approximate speed of a vehicle over a known distance. e.g.) Based on how many seconds it takes a vehicle to travel 1km or 1 mile (the available measuring range is up to 60 seconds), the average speed within the distance can be calculated.

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Is the second hand supposed to move on a chronograph watch?

Unlike a standard three-handed watch, the larger seconds hand only moves when you “start” the chronograph with the “pusher” or top button. So, in case you’re wondering, your brand new gorgeous chronograph watch is not broken just because the larger second hand isn’t moving.

What is a good accuracy for a watch?

To put things in perspective, if a watch is only 99.9% accurate it would be off by 1 minute and 27 seconds per day, which is unacceptable in the luxury watch world.

Modern Mechanical non-COSC Certified watch
Typical +/-5 seconds per day 99.994% accuracy
Excellent +/-3 seconds per day 99.996% accuracy

Do automatic watches last forever?


One of the most amazing things about an automatic watch is its longevity. Unlike a battery powered or quartz watch, with the right craftsmanship, an automatic watch has an indefinite lifespan, pausing only when the wearer ceases to wind or move the internal mechanisms of the timepiece.