Zenith Pilot Montre d’Aeronef Type 20 Limited Edition

Zenith Pilot Montre d'Aeronef Type 20 Limited Edition

Despites its outrageously gargantuan proportions, the new Zenith Pilot Montre d’Aeronef Type 20 limited edition wrist watch doesn’t look as ridiculous as many of its similarly proportioned competitors. You see, it is somewhat difficult to ridicule a watch for its size when you know that it is was made big in order to accommodate a huge deck watch movement that in 1967 set (and still holds) a world record for precision in its class at the Neuenburg Observatory competition.


The movement in question is the good old Caliber 5011K hand-wound movement that was first introduced in 1960 and officially certified as chronometer by COSC.

Comprising only 134 parts and built on 19 jewels, the caliber is one of the most impressively sized movements that power a modern wrist watch.

According to official specs, the 5011 is almost 50 millimeters in diameter and is whole 10 millimeters thick.

Zenith Pilot Montre d'Aeronef Type 20 Limited Edition hand-wound wrist watch

As far as I know, previously the movement was only used as a part of instruments clusters of certain aircrafts, so there was no need to make it especially compact. So, when guys from Zenith decided to put the caliber inside a wristwatch, they simply had to make it big, really big.

According to official specs, the body of the watch measures impressive 57.5 millimeters in diameter and its winding crown looks like a .45 bullet after it hit an armor plate.

Since a steel case of such an impressive size would simply be too heavy, the Swiss engineers decided to craft the body of the new Zenith Pilot Montre d’Aeronef Type 20 from lightweight titanium alloy.

Zenith Pilot Montre d'Aeronef Type 20 Limited Edition (front view)

It is nice to see that the dial of the watch reproduces a dial of the Zenith Type 20 deck watch from 1938. Although the fonts they use are slightly different ad the hands seem to be a trifle wider, and the small seconds indicator was transferred from the usual place at 6 hours to 9 o’clock, the only significant difference here is the introduction of a power reserve indicator, which is placed at 3 hours.

As usual for an instrument of this sort, the dial of the piece is easily readable and lacks any excessive decoration.

Zenith plans to limit the whole lot to just 250 pieces, which seems to be reasonable, since the watch is probably doomed to become a pure collector’s item and will spend most of its life in some bank deposit box.

No information on price.

Photos: Zenith

Zenith Pilot Montre d’Aeronef Type 20 Limited Edition hand-wound watch specification

Price: TBD
Movement: Manual, Caliber Zenith 5011K, 49.6 mm x 10.0 mm, in-house, COSC-certified chronometer, Swiss Made
Number of jewels: 19
Movement frequency: 18,000 vph
Movement decoration: N/A
Functions: Hours, minutes, power reserve, small seconds
Power reserve: 48 hours
Case material: Titanium
Bezel material: Matches case
Crown material: Matches case
Case shape: Round
Bezel shape: Round
Case size: 57.50 mm
Case height: N/A
Lug width: N/A
Dial: Black
Numerals: Arabic, luminous
Hour markers: Luminous
Hands: Luminous
Water resistance: N/A
Strap: Brown leather strap with contrast stitching
Crystal: Sapphire
Case back: Sapphire

As far as I know, previously the movement was only used as a part of instruments clusters of certain aircrafts, so there was no need to make it especially compact. So, when guys from Zenith decided to put the caliber inside a wristwatch, they simply had to make it big, really big.

According to official specs, the body of the watch measures impressive 57.5 millimeters in diameter and its winding crown looks like a .45 bullet after it hit an armor plate.

Since a steel case of such an impressive size would simply be too heavy, the Swiss engineers decided to craft the body of the new





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