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What you need to know about an automatic movement!

Why automatic and what is the significance of having Jewels in a movement?



The purpose of Jewels

Jewels serve two purposes in a watch. First, reduced friction can increase accuracy. Friction in the wheel train bearings and the escapement causes slight variations in the impulses applied to the balance wheel, causing variations in the rate of timekeeping. ... Second, they can increase the life of the bearings.


The unique shape of the jewels gives them additional functionality as a lubricant reservoir. This means that lubricant will remain at the appropriate point even after years of operation. These factors, together with cost-effective mass production, automated grinding, and laser-drilling technologies, means that even the most affordable mass-produced mechanical watch movements are often equipped with jewel bearings.


Does more Jewels mean better movements

Higher-grade watches have traditionally used a jeweled movements, which means that jewels (originally natural ruby, now synthetic ruby) were actually used in the movement. ... The jewel count refers to the number of pivots with inset rubies - or "jewels"!


What does 21 Jewels in a watch signify ?How good is the Seiko nh35 movement?

Similar to a 17-jewel watch that has a fully jeweled movement, but also has a few extra capstones added which are used to reduce positional errors. These extra stones are often found in higher-quality watches.


How good is the Seiko NH35 movement?

The Seiko NH35 movement is hand-windable and features a hacking function. ... This Seiko NH35A movement is known to be a reliable and fairly accurate automatic movement which is why it has become one of the most popular automatic movements for many affordable watch brands, which is why we at STROND chose the NH35A movement to power our DC-3 timepiece !