Balance Wheel & Hairspring – Renata No. 957M for ETA 2410 Inca watch-crystal

Balance Wheel & Hairspring – Renata No. 957M for ETA 2410 Inca watch-crystalBalance Wheel & Hairspring Renata No. 957M for ETA 2410 Inca Description: Offered here is a vintage Renata balance wheel and hairspring, No. 957M, for ETA 2410 Inca movements. Complete in its original protective case, this is a useful genuine replacement part for watch repairers and collectors of vintage ETA calibres. Key Details: Part: Balance Wheel & Hairspring Maker: Renata Reference: No. 957M For: ETA 2410 Inca Condition: Unused old stock, in

The base is inscribed with the name "Ngyen Tien

Brief Maker History The ring is stamped for silver

as it is not currently in working condition

Approximate size: 7

ideal for fine mechanical work such as watch repair

enhancing its vintage charm

085 mm × 7 mm – Unbreakable Swiss Made NOS

long service life

The silver setting is clean and solid

showing only minor signs of wear consistent with age

Expected surface wear

A Swiss-made unbreakable and non-deforming mainspring designed for smaller manual-wind wristwatch movements