Displayed: Class T Open: 18.0510.4021/75.C491
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Pictured
- Class T Open: 18.0510.4021/75.C491
Class T Open Models
Caliber
- El Primero 4021H
- Automatic chronograph movement 13``` 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-carat gold or metal oscillating weight with “Grain d’Orge” guilloche pattern
Functions
- Hours and minutes in the center
- Small seconds-hand at 9 o’clock with a 3-branched hand
- Power reserve indicator from hour axis
- Central seconds-hand
- 30-minute counter at 3 o’clock
Case
- 18-carat rose gold or stainless steel case with satin-finish horns
- 18-carat rose gold or stainless steel ZENITH push buttons and crown
Grande Class Open: Diameter : 44 mm / Diameter opening : 36 mm
Class Open: Diameter : 40 mm / Diameter opening : 32.5 mm - Curved sapphire glass with anti-reflection treatment on both sides
- Transparent sapphire case back
- Water-resistance up to 50 meters
Dial
- ZENITH brown dial with “Grain d’Orge” guilloché pattern
- Open dial at 10 o’clock showing the heart of El Primero
- Rhodium hand-mounted applique arabic numerals
Hands
- Rhodium faceted hands
- 18-carat rose gold power reserve hand
Strap
- Handmade brown alligator leather strap lined with silky Alzavel calfskin
Buckle
- 18-carat rose gold or stainless steel Class triple folded buckle stamped with 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.