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Zenith

Grande Chronomaster XXT Open

Functions
Reference
N/A
Collection
-
Description

Grande Chronomaster XXT
Open

Caliber  
  New movement El Primero 4021
Automatic chronograph movement
13```caliber. Diameter 30 mm. Height : 6.50 mm
39 jewels.
36'000 vibrations per hour
Power reserve over 50 hours
Measures short time intervals to a 10th of a second
Central rotor on ball bearings
Automatic winding in both directions
22-carat rose gold oscillating weight with “grain d'orge” guilloché pattern or bi-metal with “Côtes de Genève” pattern
Functions  
  Hours and minutes in the center
Small seconds-hand at 9 o'clock with a 3-branched hand
Power reserve indicator at 6 o'clock
Center seconds-hand
30-minute counter at 3 o'clock
Case  
  18-carat rose gold or stainless steel
18-carat rose gold or stainless steel ZENITH push buttons and crown
Diameter 45 mm
Diameter opening : 35 mm
Curved sapphire glass with anti-reflection treatment on both sides
Transparent sapphire case back
Water-resistant up to 30 meters
Dial  
  Opened dial at 10 o'clock showing the hearth of El Primero
Silvered with “grain d'orge” guilloché pattern or black powdered dial
Hand-mounted applique roman numerals
Hands  
  18-carat rose gold or rhodium faceted hands.
Strap  
  Black alligator leather strap, hand-stitched tone-in-tone, lined with silky Alzavel calfskin.
Buckle  
  18-carat rose gold or stainless steel ChronoMaster triple folding buckle with the historical ZENITH star on the cap
Bracelet  
  Stainless steel bracelet with triple folding clasp

 

Zenith, Grande Chronomaster XXT Open | GPHG