The Information you should know about the Spring bar as Watch parts

Spring bars are very important Watch Parts for watches, they look tiny and small that seems not essential at all. but they are very critical as lug nuts to Cars, without it, wheels will fall off. Spring bar as a same role too. without it, the wrist watches are not a complete watch. they use spring bar to connect the Watch Case and Watch Clasp or Watch Buckle.

Before that, the watch was pocket watch with necklace.

Come back the origin of wrist watches, it cames from World war I, soliders saw the time from pocket watch that it was so unconvenient. then our wrist watches came out. then Spring bar was invented accordingly till Now. it is more than a hundred years.

Normally the spring bars have standard size, like lugs width or strap width. like 14,16,18, 20,22,24mm. we have stock goods for even numbers. but like odd number, 9mm, 11mm, 17mm, 19mm, 21mm, need custom made. except length, it also has diameter like 1.3mm, 1.5mm, 1.8mm. more common diameter 1.5mm and 1.8mm, it depends on the holes on leather strap or Watch Band . the spring bar tips also have diameter too, but it is fairly standardized