Grande Class Grande Date
Functions
Reference
N/A
Collection
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Description
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| Caliber | NEW El Primero 4010 Automatic chronograph movement with big date COSC certified 13``` caliber. Diameter : 30 mm. Height : 7.65 mm. 306 components. 36'000 vibrations per hour Power reserve over 50 hours 31 jewels Measures short time intervals to a 10th of a second Automatic winding in both directions Central rotor on ball bearings Heavy metal oscillating weight with “Côtes de Genève” pattern |
| Functions | Hours and minutes in the center Small seconds-hand at 9 o'clock Big Date over 6 o'clock with instantaneous double jump Central second counter hand 30-minute counter at 3 o'clock |
| Case | Stainless steel Diameter: 44 mm Diameter opening: 36 mm Curved sapphire glass with anti-reflection treatment on both sides Transparent sapphire case back Water-resistance up to 50 meters |
| Dial | Plain silver or black dial with contrasted counters Hand-mounted applique arabic numerals and indexes Beveled window |
| Hands | Rhodium faceted hands |
| Strap | Black alligator leather strap, hand-stitched tone-in-tone, lined with silky Alzavel calfskin Black rubber strap |
| Buckle | Stainless steel Grande Class triple folding buckle stamped with the historical ZENITH star on the cap |
| Bracelet | Stainless steel bracelet with ZENITH triple folding clasp |