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Men's Automatic Mechanical Self Wind Waterproof Skeleton Wrist Watch

Men's Automatic Mechanical Self Wind Waterproof Skeleton Wrist Watch

$31.99 $39.99

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Item Type: Mechanical Wristwatches
Boxes & Cases Material: Velvet
Water Resistance Depth: 3Bar
Case Shape: Round
Band Material Type: Leather
Feature: Water Resistant,Complete Calendar,Auto Date,None
Style: Fashion & Casual
Model Number: a50085-M-black
Clasp Type: Buckle
Case Material: Alloy
Dial Diameter: 45mm
Case Thickness: 15mm
Brand Name: Lancardo
Gender: Men
Dial Window Material Type: Hardlex
Band Width: 22mm
Band Length: 24cm
Movement: Automatic Self-Wind

Operation

In a mechanical watch the watch's gears are turned by a spiral spring called a mainspring. In a manual watch energy is stored in the mainspring by turning a knob, the crown on the side of the watch, winding the mainspring. Then the energy from the mainspring powers the watch movement until it runs down, requiring the spring to be wound again.

A self-winding watch movement has a mechanism which winds the mainspring using the natural motions of the wearer's body.[1] The watch contains an eccentric weight that turns on a pivot. The normal movements of the watch in the user's pocket or on the user's arm cause the rotor to pivot on its staff, which is attached to a ratcheted winding mechanism. The motion of the watch is thereby translated into circular motion of the weight which, through a series of reverser and reducing gears, eventually winds the mainspring. There are many different designs for modern self-winding mechanisms. Some designs allow winding of the watch to take place while the weight swings in only one direction while other, more advanced, mechanisms have two ratchets and wind the mainspring during both clockwise and anti-clockwise weight motions.

The fully wound mainspring in a typical watch can store enough energy reserve for roughly two days, allowing the watch to keep running through the night while stationary. In many cases automatic wristwatches can also be wound manually by turning the crown, so the watch can be kept running when not worn, and in case the wearer's wrist motions are not sufficient to keep it wound automatically.

The Whole
-  Brand: Lancardo
-  Watches categories: Men
-  Features:Leather Watch,Automatic Mechanical Watch;SELF-WIND watch;
 
Dial 
- Movement type: Automaton
- Display type: Pointer
- Dial color: Silver/White
 
Band
- Band materal: Leather
- Clasp type:  Pin buckle
- Band color: Black
 
Size and weight 
- Watch lenght: leather,about 24cm;
- Dial diameter: leather,about 4.5cm;
- Dial thickness: leather,about 1.5cm;
- Band width: leather,about 2.2cm;
- Watch weight: leather,about 70g;

 

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