Zenith - 24.9000.9004/78.R582

Defy El Primero 21 Black Ceramic / Skeleton / Alligator

Brand: Zenith
Family: Defy
Reference: 24.9000.9004/78.R582
Name: Defy El Primero 21 Black Ceramic / Skeleton / Alligator
Produced: 2017
Limited: No

Case

Material: Ceramic
Glass: Sapphire
Back: Open
Shape: Round
Diameter: 44.00 mm
Height: 14.50 mm
Lug Width: 23.00 mm
W/R: 100.00 m

Dial

Color: Skeleton
Indexes: Stick / Dot
Hands: Stick

Description

The Zenith Defy El Primero 21 was introduced at BaselWorld 2017. Building upon the brand's rich chronograph tradition, it is powered by the new El Primero 9004 movement, capable of measuring up to 1/100 of a second. In addition, it marks the return of the Defy name for Zenith.

Reference 24.9000.9004/78.R582 has a ceramised aluminum case (44mm) and an openworked dial.

Edit January of 2018 - I have updated the material to ceramic as per Zenith's website.

Movement

Zenith caliber El Primero 9004 Self-winding movement with cam-perated chronograph capable of measuring up to 1/100 of a second. The chronograph runs on its own escapement system, with a balance wheel operating at 360.000 bph. The power reserve for the chronograph is 50 minutes, and it is wound by hand. The balance for the regular timekeeping runs at 36.000 bph and is wound either by hand or through the oscilating weight. Both balance springs are made of 'carbon-matrix carbon nanotube composite'. The central hand makes one rotation every second; at 12:00 there's a power reserve indicator for the chronograph.

Type:Automatic
Brand:Zenith
Caliber:El Primero 9004
Display:Analog
Diameter:32.80 mm
Jewels:53
Reserve:50 h
Frequency:36000 bph
Time:Hours, Minutes, Small Seconds
Chronograph:Chronograph
Additionals:Chronometer, Power Reserve Indicator

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