El Primero Chronograph 90/01-0010.420

Undated

One marketplace listing states c. 1955; unverified.

Variants

No variants documented yet.

Reference specifications

Brand: Zenith
Model: El Primero Chronograph
Reference: 90/01-0010.420
Production: Undated

Specs shared by all variants. Variant pages show where a variant differs.

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The Index — Vintage watches, decoded.References, dials and variants up to 2000

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