DT Vintage Watch Photo Guide / DT Rolex Vintage Watch Guide  www.dtwatches.com

Checking the length of  watch leg

Photo 20

Line (1) and (2) measure the length of watch leg from the band end link till tip of the watch leg.

Normally speaking, the longer the better.

Examining line (2) , easily seen some portion of the leg is missing.

Theoretically, line (2) should have no space with the lower end of the leg.

The smaller the space, the better the condition is.

The red dotted line shows the changing shape of the reflection line.

Photo 21

Checking the same leg from another angle.

Based on photo 20 and 21, on the whole, this watch leg is in good condition,

Photo 22

From this angle, we can check the length of two watch legs at the same time.

See whether they are balanced.

Checking thickness and length of a watch leg by using the side hole

Photo 23

Rolex keeps drilling side holes to attach watch bands before 1995.

By checking the distance (1) and (2), the thickness and length of a watch leg can be determined respectively.

If the surface of the leg was polished, the thickness (1) will be reduced. The side hole is a good tool to use.

(1) measure the distance between the watch leg surface to the top point of the hole. The longer the better.

I have seen many over polished watches with just a mere 1/10mm to 1/5mm distance. Horrible!

(2) measure the distance between the hole to the lower end of the watch leg. The longer the better.

Photo 24

An example for comparison: The length of (1) in photo 24 is shorter than that of photo 23.

Hence, could come to a conclusion that watch of photo 24 is relatively thinner.

However, (2) of photo 24 is quite long enough.

Checking the degree of case side polishing by using side hole

Photo 25

Original side holes are produced by direct drilling at a 90 degree to the case after completion of the case.

Hence, it is a perfect circle if bring the hole to eye level.

Should the side case had been polished, the circumference of the circle will be polished.

Theoretically speaking, the circle will look like a cylinder shape. This can be easily seen under the light.

Compare the holes of photo 25 and 26.

Photo 26

Due to polishing, the circumference of the side hold "collapsed".

Look like a cylinder shape.

The side case usually is a dome/curve shape, the larger the cylinder means the greater the degree of polishing.

Putting both photos next to each other. Case condition of Photo 23 is definitely better that Photo 24.

a. length 1 and 2 of the left are longer than the right one

b. The side hole of the right watch is apparently more like a cylinder shape.

Photo 27

If it is a perfect circle and the side case had NOT been polished,

the light reflection line will run straight through the middle line of the circle.

AND, runs through to the lower end of the watch leg.

We see that the reflection light line bended upward following the circle from photo 27.

Due to polishing, the reflection light line CANNOT run till the end of the lower end of the watch leg.

I wish that this ebook is an easy guidebook with focus in HD photos and simple words explanation.Do not want the ebook overloaded with text.

If wish to grasp more in depth with words, you can go to my BLOG listed below.

Sorry! Chinese only. But, it is in simple wording. You can google translate it and still can get the basic meaning.

http://dtwatches.blogspot.com/2018/08/blog-post.html

P. 7

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