Longines
13ZN 'Mushroom Pusher'
Why It Matters
The ref. 4270 houses Longines's 13ZN flyback chronograph movement. Its broad pushers give the watch the Mushroom Pusher name, but the movement and original case configuration provide the deeper technical significance. Dial and movement condition distinguish individual examples of this vintage chronograph.
Object Details
- Brand
- Longines
- Family
- 13ZN
- Model
- 13ZN Flyback Chronograph 'Mushroom Pusher'
- Reference
- 4270
- Production
- 1937–1942
- Case
- 37.5mm
- Material
- Stainless steel, stepped bezel
- Movement
- Manual Cal. 13ZN, column-wheel flyback, 18,000 vph
- Dial
- Two-register flyback chronograph
- Complication
- Flyback chronograph; waterproof umbrella pushers
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