- Case Shape: Round
- Case Material: Titanium
- Dial Markers: Index
- Dial Color: Blue
- Movement: Automatic/Self Winding
- Strap/Bracelet: Strap
- Strap/Bracelet Material: Rubber
- Strap/Bracelet Color: Blue
Features Skeleton Case, Second Hand
Item Information 1/100th of a second Chronograph movement.
Exclusive dynamic signature of one rotation per second for the Chrono hand.
1 escapement for the Watch (36,000 VpH - 5 Hz) ; 1 escapement for the Chronograph (360,000 VpH - 50Hz).
Certified Chronometer. Ultra Blue. Zenith expresses high-frequency precision through light, colours and motion with the DEFY 21 Ultrablue, a striking rendition of the groundbreaking 1/100th of a second chronograph. Housed within its entirely matte microblasted titanium case with deep hues of grey, the open dial reveals the exceptional movement in cool tones of deep indigo and electric blue, extending from the bridges to the star-shaped oscillating rotor.