NOS Waltham 12s Model 1894 Mainspring – Hook End – Pioneer 2224 .015

New old stock Waltham “Pioneer Unit Resilient” mainspring for 12-size Model 1894 pocket watches (hook-end). Marked 2224; thickness .015". Original packet shows shelf wear; spring not installed or tested.

Attributes:

Brand: Waltham
Type: Mainspring
Model/Caliber/Ref: 12-Size Model 1894; Part 2224 (Hook-End)
Size/Spec: 12s; .015" thickness
Jewels/Material/Finish (as relevant): Blu ed steel
Condition: NOS
Notes: Original packet; unsealed as shown; verify size & end type before purchase