Patek Observatory
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Front Dial Back Back Mark Cuvette Cuvette Mark Movement Movement Closeup 1 Movement Closeup 2 Movement 2nd Serial Number This is an example of the Patek Phillipe observatory watch that is characterized by the inscription "Extra Special" on the plate and the second occurrence of the serial number on the dial plate near the balance cock. The serial number is 138613. This example was sold by Bailey, Banks & Biddle in Philadelphia. The case and dial are marked Bailey, Banks and Biddle. The case appears identical to those normally found on the Patek signed examples except for the signature. |
