Watch Comparison
Zenith El Primero Chronomaster Full Open 38 Stainless Steel / Rose Gold / Alligator vs Zenith Defy Classic Titanium / Skeleton / Rubber
Side-by-side specifications for Zenith El Primero Chronomaster Full Open 38 Stainless Steel / Rose Gold / Alligator and Zenith Defy Classic Titanium / Skeleton / Rubber.
Showing specs with available data (94% coverage).
Zenith
Zenith El Primero Chronomaster Full Open 38 Stainless Steel / Rose Gold / Alligator
Ref. 51.2151.400/78.C810
Zenith
Zenith Defy Classic Titanium / Skeleton / Rubber
Ref. 95.9000.670/78.R782
Case
Diameter42 mm41 mm
Thickness12.75 mm10.75 mm
MaterialBilgi YokTitanium
Water Resist.100 m100 m
CrystalSapphireSapphire
Dial ColorSkeletonSkeleton
Bracelet
Lug Width21 mm—
Movement
CaliberZenith El Primero 400Zenith Elite 670 SK
ManufacturerZenithZenith
TypeAutomaticAutomatic
Power Reserve50 hrs50 hrs
Frequency36,000 bph28,800 bph
Jewels3127
Complicationshours, minutes, small seconds, datehours, minutes, seconds, date, skeleton
Pricing & Production
Production—2020 – present
CollectionEl PrimeroDefy
Zenith
Zenith El Primero Chronomaster Full Open 38 Stainless Steel / Rose Gold / Alligator Ref. 51.2151.400/78.C810
Zenith
Zenith Defy Classic Titanium / Skeleton / Rubber Ref. 95.9000.670/78.R782
Case
Diameter
51.2151.400/78.C81042 mm
95.9000.670/78.R78241 mm
Thickness
51.2151.400/78.C81012.75 mm
95.9000.670/78.R78210.75 mm
Material
51.2151.400/78.C810Bilgi Yok
95.9000.670/78.R782Titanium
Water Resist.
51.2151.400/78.C810100 m
95.9000.670/78.R782100 m
Crystal
51.2151.400/78.C810Sapphire
95.9000.670/78.R782Sapphire
Dial Color
51.2151.400/78.C810Skeleton
95.9000.670/78.R782Skeleton
Bracelet
Lug Width
51.2151.400/78.C81021 mm
95.9000.670/78.R782—
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Movement
Caliber
51.2151.400/78.C810Zenith El Primero 400
95.9000.670/78.R782Zenith Elite 670 SK
Manufacturer
51.2151.400/78.C810Zenith
95.9000.670/78.R782Zenith
Type
51.2151.400/78.C810Automatic
95.9000.670/78.R782Automatic
Power Reserve
51.2151.400/78.C81050 hrs
95.9000.670/78.R78250 hrs
Frequency
51.2151.400/78.C81036,000 bph
95.9000.670/78.R78228,800 bph
Jewels
51.2151.400/78.C81031
95.9000.670/78.R78227
Complications
51.2151.400/78.C810hours, minutes, small seconds, date
95.9000.670/78.R782hours, minutes, seconds, date, skeleton
Pricing & Production
Production
51.2151.400/78.C810—
95.9000.670/78.R7822020 – present
Collection
51.2151.400/78.C810El Primero
95.9000.670/78.R782Defy
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