How to buy a high-quality mechanical watch, we need to know how to identify the quality of the mechanical watch good or bad, (goodluckwatch.com) for everyone to popularize some common sense
The main considerations for purchasing a mechanical watch are still not separated from the three intricate factors of "styling", "brand" and "quality". Despite the growing acceptance of mechanical watches by consumers, there is no doubt that good styling and quality are still the basic principles for most consumers when buying a mechanical watch!
(1) Types of Mechanical Watches
There are various types of mechanical watches, including ordinary watches, calendar watches and automatic watches as well as mechanical calendar automatic watches, all of which add a set of calendar devices or automatic devices to mechanical watches. There are single-calendar watches on the market that present only the date, as well as double-calendar and full-calendar watches that present a weekly or even a monthly calendar.
The automatic watch is driven by the arm movement to drive the automatic hammer of the watch machine, so that the automatic device activities to tighten the winding, in order to drive the time. Automatic watch also has full-automatic and semi-automatic points, full-automatic is the table to any direction of movement can be wound up, semi-automatic only do single-direction movement can be wound up.
(2) The number of diamonds in mechanical watches
Most of the dials are engraved with the number of diamonds (e.g. 21ZUAN) and frequency (e.g. 21600) of the watch, the number of diamonds is related to the design and function of the movement, and the number of diamonds is only an index of the movement, which is related to the complexity of the movement, but has nothing to do with the accuracy of the movement's timekeeping. According to the function of the table, ordinary mechanical watches require 17--19 diamonds, automatic watches require 25---30 diamonds, and too many diamonds have little effect on the performance of the table, and generally only play a decorative role.
High-grade mechanical watches. It adopts bimetallic open balance wheel, or alloy material to make balance wheel; the balance wheel includes more than 16 screws and more than 17 diamond elements; it adopts double-layer hairspring, and the temperature coefficient of its material is very small; it has the performance of waterproof, shockproof and antimagnetic; the error of timekeeping is between plus or minus 30 and 45s in one day and one night; and the service life reaches more than 30 years under normal conditions.