TIMEHUNTER
ETA Calibre

7750

Cam-operated automatic chronograph renowned for durability.

Technical Profile

Architecture and specifications

Movement typeAutomatic chronograph
Frequency28,800 vph
Power reserve48 h
Jewels25
ComplicationsChronograph, day-date
ArchitectureIndustrial
Reliability profileProven
Service accessHigh
TimeHunter Analysis

Collector context

Cam-operated automatic chronograph renowned for durability. Evaluate the complete watch rather than the calibre in isolation: condition, regulation, service history and correct parts materially affect ownership quality.

A famous calibre can add historical interest, but maintenance condition remains more important than reputation alone.
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Watch Glossary