Rolex [Calibre 1401] - Balance Spring Roller - 2942

The base article Rolex [Calibre 1401] – Balance Spring Roller – 2942 carries the parts list number 2942 specifically for spare part search related to calibre 1401.

In the Rolex documentation, 1401 is listed as Base Calibre 1400. Therefore, the balance spring roller is classified as a common component of calibres 1400 and 1401, but here receives its own 1401 article with a dedicated search, title, and SEO context.

For careful assignment, the calibre designation, part number 2942, and the name balance spring roller are cross-checked together. The technical reference image supports this verification during overhaul, repair, and spare part search.

Later variants document the available original part, its condition, and the actual scope of delivery.