Hamilton Model 21 Ship Chronometer Second Hand Wheel & Pinion

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Hamilton Model 21 Ship Chronometer Second Hand Wheel & PinionThis is an inspected second hand wheel & pinion for a Hamilton model 21 movement from a former chronometer repair shop. The model 21 is the large spring detent escapement chronometer. Note we service these and have other parts for sale. Email us with your needs. Photo of model 21 movement for display purposes only.

watch was within 30 seconds a day (dial up)

some did not

Buckle: Steel

Please measure the diameter of the pendant post of your watch as the crown must fit over it snugly

This is a winding crown for a Hamilton 22 movement (size: 35/s) from my stock of WW2 parts

replacing balance jewels

we have a vintage Chelsea ships clock in excellent condition attributed to the U

This divide stops the balance wheel when the watch is put into the set position

and is in very fine condition

Length: Size Regular is 9

The American Benrus brand was created by Ben Lazarus

The picture shows one type of platform