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Reference Library / Seiko / 6105-8110
Seiko · Diver

6105-8110

Willard diver

Reference Profile

Technical specifications

Production years1970–1977
Case size44 mm
MaterialSteel
Water resistance150 m
CrystalHardlex
MovementSeiko 6105B
ComplicationsDate
RarityVery high
Used market price€1 800–€4 200
New / unworn priceDiscontinued / no reliable retail range
Market trendRising
Investment score8/10
Service estimate€375–€675
Serviceability6/10
Collector Guidance

What to verify

Check the asymmetric case shape, crown lock text, dial lume, handset and 6105B movement. Many watches contain aftermarket dials, hands, bezel inserts and crystals.

Most commonly faked or replaced

Aftermarket dials, hands, bezel inserts, crowns and reproduction cases.

Price date: July 2026. Indicative European market range, not a purchase offer. Condition, originality, set completeness, provenance, taxes and dealer margin can materially change the price.

Market values vary by condition, completeness, provenance and current demand.
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