Side by side

Bremont Altitude ChronographvsHamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300

At a glance

9 of 29 specs differ
Diameter
Altitude Chronograph42mm
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
Power Reserve
Altitude Chronograph40h
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
Water Resistance
Altitude Chronograph100m
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
MSRP
Altitude Chronograph$6,300
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075

Full specifications

Case

5 specs
Category
Chronograph
Pilot
Thickness
14.7mm
12.15mm
Lug-to-Lug
46mm
Lug Width
14.7mm
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Silver
Black

Movement

2 specs
Caliber
BE-50AE
H-40
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$6,300
$1,075

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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.

Bremont Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for 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.

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