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  • C-299-1
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  • Westclox Alarm Clock
  • Vintage Westclox Alarm Clock

Westclox ALARM Clock Time Spring – Fawn Model 72B (SPR-3429)

This is a new mainspring for vintage key wound or wind-up Westclox alarm clocks. It is Fawn Model 72B (#3429). Made by Westclox in the USA. The bottom of the envelope says 643-15-3-18-58-3M. The spring measures 7mm wide with a strength of .26mm. We are not sure which alarm clocks this would have fit on.

Availability: 19 in stock

Quantity Price
1 - 2 $2.95
3+ $1.95
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$2.95

SKU: C-299

This is a new mainspring for vintage key wound or wind-up Westclox alarm clocks. It is Fawn Model 72B (#3429). Made by Westclox in the USA. The bottom of the envelope says 643-15-3-18-58-3M. The spring measures 7mm wide with a strength of .26mm. We are not sure which alarm clocks this would have fit on.

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