Pocket Watch Size Guide

Elgin Antique Pocket Watches at KeepTheTime
The pocket watch sizes below refer to the movement size. These measurements are not related to the size of the case or dial. The chart below will convert American pocket watch sizes to millimeters. Check out the KeepTheTime collection of antique pocket watches here!

Size Inches Millimeters
20s 1 5/6 46.56
18s Common 1 23/30 44.86
17s 1 22/30 44.02
16s Common 1 21/30 43.18
14s Common 1 19/30 41.48
12s Common 1 17/30 39.78
10s Common 1 15/30 38.10
8s Common 1 13/30 36.40
6s Common 1 11/30 34.70
0s Common 1 5/30 29.62
3/0s Common 1 3/30 27.94
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5 Responses to Pocket Watch Size Guide

  1. Phylicia says:

    Love this

  2. Michelle says:

    Thanks for sharing this chart. It will be very helpful when shopping for junk watches for use in Steampunk jewelry and art.

  3. Just a quick note to let you know that for some reason the table or picture isn’t showing up

  4. admin says:

    Thank you very much for the message. The picture has been fixed.

  5. trevor king says:

    what is,the.differense between size 6 and size 60

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