Side by side

Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt AutovsZelos Aurora Field

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Aurora Field
ZelosAurora Field
MSRP $529

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
Aurora Field42mm
Power Reserve
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
Aurora Field40h
Water Resistance
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
Aurora Field200m
MSRP
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075
Aurora Field$529

Full specifications

Case

6 specs
Category
Pilot
Field
Thickness
12.15mm
12.2mm
Lug-to-Lug
46mm
42mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Black
Bronze

Movement

2 specs
Caliber
H-40
Miyota 9039
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,075
$529

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto is widely praised for its value, with reviewers noting the Swatch Group's economies of scale contribute to its affordability. Owners and reviewers highlight the large, easy-to-read dial, with one source specifically mentioning the "ice-cold" blue degradé sub-dials as an unusual chromatic anomaly for its price point, and another noting the painted, luminous indices as a significant advantage. The 42mm case is described as offering a nice mix of brushed and polished finishes, and the slightly domed sapphire crystal enhances readability. The H-21 caliber provides a 60-hour power reserve and an anti-magnetic silicon balance spring, while the ETA 2834-2 movement offers precise day/date changes, though one source notes its 40-hour power reserve requires weekly winding. Some criticism is directed at the use of three different fonts and inconsistent color matching for the day/date indicators.

Zelos Aurora Field

The Zelos Aurora Field is praised for its unique and gorgeous dial, with the hammered teal bronze version and its great lume, particularly on the minute track, being singled out. Owners find the rubber strap comfortable and flexible with good hardware, and the watch is highlighted as feature-packed for its price point, including 200m water resistance, Grade 2 titanium, and 30,000 A/m anti-magnetism, with the new clasp noted as the best to date. However, some owners criticize sharp bracelet edges, an odd case shape with lugs that cause it to wear high, and dial text that appears cheap and plasticky, with one commenter finding the straight lugs look a bit off. Overall, owners rate the Zelos Aurora Field highly for its value and unique dial, despite some concerns about case and bracelet finishing.

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