Watch Comparison

Zenith Calibre 135 Observatoire Limited Edition vs Zenith El Primero Winsor Annual Calendar Black Eye

Side-by-side specifications for Zenith Calibre 135 Observatoire Limited Edition and Zenith El Primero Winsor Annual Calendar Black Eye.

Showing specs with available data (94% coverage).

Zenith

Zenith Calibre 135 Observatoire Limited Edition Ref. 40.1350.135/21.C1000

Zenith

Zenith El Primero Winsor Annual Calendar Black Eye Ref. 03.2070.4054/22.C708

Case

Diameter

40.1350.135/21.C100038 mm

03.2070.4054/22.C70842 mm

Thickness

40.1350.135/21.C100010.35 mm

03.2070.4054/22.C70813.85 mm

Material

40.1350.135/21.C1000Platinum

03.2070.4054/22.C708Stainless Steel

Water Resist.

40.1350.135/21.C100020 m

03.2070.4054/22.C70850 m

Crystal

40.1350.135/21.C1000Sapphire

03.2070.4054/22.C708Sapphire

Dial Color

40.1350.135/21.C1000Black

03.2070.4054/22.C708Blue

Bracelet

Lug Width

40.1350.135/21.C100019 mm

03.2070.4054/22.C708—

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Movement

Caliber

40.1350.135/21.C1000Zenith 135-O

03.2070.4054/22.C708Zenith El Primero 4054

Manufacturer

40.1350.135/21.C1000Zenith

03.2070.4054/22.C708Zenith

Type

40.1350.135/21.C1000Automatic

03.2070.4054/22.C708Automatic

Power Reserve

40.1350.135/21.C100040 hrs

03.2070.4054/22.C70850 hrs

Frequency

40.1350.135/21.C100018,000 bph

03.2070.4054/22.C70836,000 bph

Jewels

40.1350.135/21.C100019

03.2070.4054/22.C70829

Complications

40.1350.135/21.C1000hours, minutes, small seconds

03.2070.4054/22.C708hours, minutes, small seconds, date, annual calendar, day, month

Pricing & Production

Production

40.1350.135/21.C1000—

03.2070.4054/22.C7082011 – present

Collection

40.1350.135/21.C1000Revival

03.2070.4054/22.C708El Primero

Authentication

Checkpoints

40.1350.135/21.C1000—

03.2070.4054/22.C7086

Categories

40.1350.135/21.C1000—

03.2070.4054/22.C708Case Inspection, Identity Verification, Crystal Inspection, Movement Inspection

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