{"id":8626980815018,"title":"Hermle Barrel #50 Replacement Mainspring","handle":"hermle-barrel-50-replacement-mainspring","description":"

Genuine Hermle factory replacement mainspring for barrel #50.

Made for compatible Hermle mechanical clock movements. Confirm the barrel number and movement before ordering.

","published_at":"2026-09-14T10:52:07-04:00","created_at":"2026-09-14T10:52:07-04:00","vendor":"Hermle","type":"Clock Part","tags":["barrel 50","brand-hermle","clock mainspring","Hermle","Hermle mainspring","mainspring","parts","parts-accessories","shipping-parts","source-butterworth-clocks"],"price":2250,"price_min":2250,"price_max":2250,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49252749443242,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"BW-HMS-50","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Hermle Barrel #50 Replacement Mainspring","public_title":null,"options":["Default Title"],"price":2250,"weight":0,"compare_at_price":null,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["//justaclockcollector.com/cdn/shop/files/IMG_0908-324x324.jpg?v=1789397529"],"featured_image":"//justaclockcollector.com/cdn/shop/files/IMG_0908-324x324.jpg?v=1789397529","options":["Title"],"media":[{"alt":"Hermle barrel 50 replacement mainspring","id":37191278887082,"position":1,"preview_image":{"aspect_ratio":1.0,"height":324,"width":324,"src":"//justaclockcollector.com/cdn/shop/files/IMG_0908-324x324.jpg?v=1789397529"},"aspect_ratio":1.0,"height":324,"media_type":"image","src":"//justaclockcollector.com/cdn/shop/files/IMG_0908-324x324.jpg?v=1789397529","width":324}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"

Genuine Hermle factory replacement mainspring for barrel #50.

Made for compatible Hermle mechanical clock movements. Confirm the barrel number and movement before ordering.