Star Open Sea Precious Pearls

Caliber El Primero 4021
Automatic chronograph movement
13 1/4''' caliber. Diameter: 30 mm. Height: 7,75 mm. 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
22-cts yellow or rose gold oscillating weight, decorated with stamped ZENITH numerals and stars

Functions Hours and minutes in the center
Small seconds-hand at 9 o'clock
Power reserve indicator from hour axis
Central seconds-hand
30-minute counter at 3 o'clock

Case 18-cts yellow or rose gold case with personalized bezel, engraved with ZENITH Stars and graduation
21 white diamonds (0.3-ct) set on the bezel
Diameter: 37.5 mm
Diameter opening: 28 mm
Curved sapphire glass with anti-reflection treatment on both sides
Transparent sapphire case back with engraved ZENITH stars
Water-resistance up to 100 meters

Dial Silvered mother of pearl dial set with 6 diamonds
9 large pearls adorns the dial as indexes
Starfish opened dial at 10 o'clock showing the heart of El Primero
Power reserve graduation symbolized with starfishes under hour axis

Hands Yellow or rose gold leaves
Small second hand symbolized with a Starfish
Power reserve indication symbolized with a shooting star from hour axis

Strap Beige or ZENITH brown galuchat strap

Buckle Yellow or rose gold triple folding buckle stamped with the ZENITH star on the cap