Zenith Pilot Type 20 Annual Calendar Ref. 87.2430.4054/21.C721

The Zenith Pilot Type 20 Annual Calendar 87.2430.4054/21.C721 has a 48 mm titanium case, measures 15.8 mm thick, and is water resistant to 100 metres.

The Zenith Pilot Type 20 Annual Calendaris powered by the EL Primero 4054, an automatic column-wheel chronograph movement with annual calendar. The case measures 48mm across. Its closed case-back is engraved with Zenith flying instruments logo.

Diameter: 48 mm
Thickness: 15.8 mm
Water resistance: 100 m
Case: Titanium
Released: 2013
Movement: Zenith caliber El Primero 4054

Specifications

Case and dimensions

Case diameter: 48 mm
Thickness: 15.8 mm
Case shape: Round
Case material: Titanium and Rose Gold
Crystal: Sapphire
Case back: Closed
Water resistance: 100 m

Dial

Dial colour: Black
Indexes: Arabic Numerals
Hands: Cathedrale

Movement

Calibre: Zenith caliber El Primero 4054
Movement maker: Zenith
Movement type: Automatic
Display: Analog
Power reserve: 50 h
Frequency: 36000 vph
Jewels: 29
Movement diameter: 30.5 mm
Complications: Annual Calendar, Chronograph, Column wheel, Date, Day, Hours, Minutes, Month and Small Seconds