Additional Images
Pictured
- GRANDE PORT-ROYAL OPEN: 18.0550.4021/01.R512
Caliber
- El Primero 4021 B
- Automatic chronograph movement
- 13’’’ caliber. Diameter 30.50 mm. Height : 7.75 mm. 248 components
- Rectangular auxiliary plate: Dimensions: 27.5 mm x 32 mm
- 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
- Chronograph :
Central second hand
30-minute counter at 3 o’clock - Power reserve indicator from hour axis
Case
- 18-carat rose Gold case
- 18-carat rose Gold push-buttons and crown
- Dimensions: 36 mm x 51 mm / Opening: 26.5 mm x 31 mm
- Transparent sapphire case back
- Water-resistance up to 50m
Dial
- Silver or Black guilloché dial
- 18-carat rose Gold transferred numerals, applied indexes and ZENITH Star
Hands
- Rose Gold faceted hours and minutes hands
- Rhodium power-reserve faceted hand
Strap
- Handmade black alligator leather strap lined with silky Alzavel calfskin
- Black rubber strap
Buckle
- 18-ct rose Gold triple folding buckle stamped with the historical ZENITH star on the cap
Warranty
Unlike E-tailers that only provide in-house warranties, Topper Jewelers is a full service authorized dealer that offers the Zenith Manufacturer's Warranty.


