Port-Royal Open
Functions
Reference
N/A
Collection
-
Description
Caliber | El Primero 4021 B Automatic chronograph movement 13''' caliber. Diameter 30 mm. Height : 7.75 mm. 248 components Rectangular auxiliary plate: Dimensions: 27.5 mm x 32 mm (Grande Port-Royal) 27.3 mm x 30 mm (Port-Royal) 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 | Stainless steel brushed case Steel 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 | Silver or Black guilloché dial Transferred numerals, Applied indexes and ZENITH Star |
Hands | Rhodium or Black nickel faceted hours and minutes hands 18-carat rose gold power-reserve faceted hand |
Strap | Black alligator leather strap, hand-stitched tone-in-tone, lined with silky Alzavel calfskin Black rubber strap |
Buckle | Stainless steel brushed triple folding buckle stamped with the historical ZENITH star on the cap |