Blancpain · Fifty Fathoms
Blancpain Fifty Fathoms Automatique 42.3 Titanium Blue (reference 5010 12B40 O52A) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.
A high-end titanium diver with a long 120-hour reserve, strong historical identity and serious 300 m water resistance.
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Strengths and considerations
Strengths
- 120-hour power reserve; titanium case; 300 m water resistance; unidirectional dive bezel; sapphire case back.
Considerations
- Premium price and substantial 14.3 mm thickness.
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Manufacturer and technical references used to verify this watch specification.
Specifications last verified: 2026-08-14.
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