The Titanium Field Guide

Zenith Defy Extreme 45mm (microblasted titanium)

97.9100.9004.02.I001

The Zenith Defy Extreme 45mm (microblasted titanium) is a current-production integrated bracelet watch with a Titanium (grade undisclosed) case, finished with microblasted titanium. It measures 45.0 mm across, 15.4 mm thick, 51 mm lug to lug, and is water resistant to 200 m. Inside is the Zenith El Primero 9004 automatic (high-frequency chronograph) movement, with 50 h power reserve. Complications: Chronograph, Date. Brand origin: Switzerland.

Titanium integrated bracelet watchesDisplay backChronograph
Reference97.9100.9004.02.I001
TypeIntegrated bracelet
Price– · maker page pending
Case diameter45.0 mm
Thickness15.4 mm
Lug-to-lug51 mm
Water resistance200 m
Weight
OriginSwitzerland
MovementAutomatic (high-frequency chronograph)
CaliberZenith El Primero 9004
Power reserve50 h
ComplicationsChronograph, Date
TitaniumTitanium (grade undisclosed)
Surface treatmentMicroblasted titanium
Nickel-freeYes
Bracelet / strapTitanium
CrystalSapphire
Display backYes
DialOpen-worked
LumeSuper-LumiNova
AvailabilityOffered
StatusCurrent; maker page pending verification
Medium confidence Verified 2026-06-22 Source: Zenith Maker / listing ↗
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