TIMEHUNTER
Sellita Calibre

SW500

Automatic chronograph based on the established 7750 layout.

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

Automatic chronograph based on the established 7750 layout. 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.
Related Calibres

SW200-1

Widely used Swiss automatic movement with familiar service architecture.

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SW300-1

Slim automatic calibre positioned as an alternative to ETA 2892.

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SW210-1

Manual-winding movement used in traditional and pilot-style watches.

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SW330-2

GMT movement with extended reserve for independent brands.

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Watch Glossary