Port-Royal Open Concept
Boucle
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Mouvement
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Fonctions
Référence
N/A
Collection
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Description
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| Caliber | El Primero 4021 C (Grande Port-Royal) / El Primero 4021 F (Port-Royal) Automatic chronograph movement 13''' caliber. Diameter 30 mm. Height : 7.75 mm. Rectangular auxiliary plate: Dimensions: 27.5 mm x 32 mm (Grande Port-Royal) 27.3 mm x 30 mm (Port-Royal) 248 components 36'000 vibrations per hour Power reserve over 50 hours 39 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 "Damier" guilloché pattern |
| Functions | Hours, minutes in the center Small seconds-hand at 9 o'clock with a 3-branched hand Power reserve indicator from hour axis Central second hand 30-minute counter at 3 o'clock |
| Case | T/2 Titanium case Titanium push-buttons and crown Grande Port-Royal: Dimensions: 36 mm x 51 mm / Opening: 26.5 mm x 31 mm Port-Royal: Dimensions: 34 mm x 48 mm / Opening: 25 mm x 29 mm Transparent sapphire case back Water-resistance up to 50m |
| Dial | Transparent dial in TR90, showing the heart of EL PRIMERO Transferred numerals, Applied indexes and ZENITH Star |
| Hands | Hours and Minutes hands in black varnish 18-carat rose gold power-reserve faceted hand |
| Strap | Carbon Fiber strap, with rubber calfskin |
| Buckle | Titanium Triple folding buckle stamped with the historical ZENITH star on the cap |