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Page 1: Servicing a Swiss calendar watch with sweep second hand

Servicing a Swiss calendar watch with sweep second hand

Ken Pell

Winter Park Tech

Page 2: Servicing a Swiss calendar watch with sweep second hand

Disassembling calendar mechanism

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Carefully remove three screws and bridges

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Observe position of lever and spring

Date ring

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Minute wheel

Setting wheel

Date jumper

Driving wheel

Int Wheel

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Date Jumper&Spring

Hour Wheel

Interm WhlMin Whl

Set Whl

Date driving whl

Date Ring

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Disassembly of the train side of the movement.

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Click

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Secondwheel

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Center wheel bridge

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Reassembly of train

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Minute wheel

Setting wheel

Date jumper

Driving wheel

Int Wheel

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Observe position of spring

Date ring

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Four screws and bridges

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