The Titanium Field Guide

Blancpain Fifty Fathoms Automatique 42mm Titanium

5010-12B30-B64B

The Blancpain Fifty Fathoms Automatique 42mm Titanium is a current-production diver watch with a Grade 23 titanium case, finished with satin-brushed; sapphire bezel insert. It measures 42.3 mm across, 14.2 mm thick, and is water resistant to 300 m. Inside is the Blancpain 1315 automatic movement, with 120 h power reserve. Complications: Date. Brand origin: Switzerland.

Titanium diver watchesGrade 5 titaniumDisplay back
Reference5010-12B30-B64B
TypeDiver
Price– · approx CHF 15,300 (editorial); maker page pending
Case diameter42.3 mm
Thickness14.2 mm
Lug-to-lug–
Water resistance300 m
Weight–
OriginSwitzerland
MovementAutomatic
CaliberBlancpain 1315
Power reserve120 h
ComplicationsDate
TitaniumGrade 23
Surface treatmentSatin-brushed; sapphire bezel insert
Nickel-freeYes
Bracelet / strapTitanium, sail-canvas or rubber
CrystalSapphire
Display backYes
DialBlack or blue sunburst
LumeSuper-LumiNova
AvailabilityOffered
StatusCurrent; maker page pending verification
Medium confidence Verified 2026-06-22 Source: Blancpain / Monochrome Maker / listing ↗
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