Marine: Hamilton model 22

Discussion in 'Chronometers' started by butlercreek, Jul 7, 2016.

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  1. butlercreek

    butlercreek Registered User

    Mar 8, 2007
    I have owned several of these and have only seen one with a locking inner box
    are these unusual? It's definetly factory....
  2. DeweyC

    DeweyC Registered User

    Feb 5, 2007
    Unusual, but not rare. I have one. The first 300 M21 boxes were close modifications of the Nardin boxes (lid stay) and I would suspect the early M22 boxes cae from the same vendor/contract specs. After that they went to snap catches and did away witht he key lock. No idea how many mounted M22 boxes were key lock.
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