Side by side

Bremont Altitude 39 DatevsHamilton Khaki Aviation Converter Auto

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

Altitude 39 Date
BremontAltitude 39 Date
MSRP $4,250
Khaki Aviation Converter Auto
HamiltonKhaki Aviation Converter Auto
MSRP $1,345

At a glance

8 of 29 specs differ
Diameter
Altitude 39 Date39mm
Khaki Aviation Converter Auto42mm
Power Reserve
Altitude 39 Date40h
Khaki Aviation Converter Auto80h
Water Resistance
Altitude 39 Date100m
Khaki Aviation Converter Auto100m
MSRP
Altitude 39 Date$4,250
Khaki Aviation Converter Auto$1,345

Full specifications

Case

4 specs
Diameter
39mm
42mm
Thickness
11.19mm
10.87mm
Lug-to-Lug
46mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Silver
Black

Movement

2 specs
Caliber
BE-92AE
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$4,250
$1,345

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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 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

Hamilton Khaki Aviation Converter Auto

The Hamilton Khaki Aviation Converter Auto is recognized for its classic pilot's watch aesthetic, featuring a functional bi-directional slide rule bezel with a mineral glass insert for scratch protection. Reviewers highlight its instrument-heavy design, well-balanced dial, and robust 42mm or 44mm case with a satin-brushed finish and polished accents. The watch is equipped with applied indexes and hands filled with Super-LumiNova for legibility, and a flat sapphire crystal with double anti-reflective coating. The automatic models utilize the H-10 movement, offering a 60-hour power reserve, while the chronograph version uses the H-21-Si movement. Overall, reviewers praise the Hamilton Khaki Aviation Converter Auto for its attractive, functional pilot's watch design and robust build at its price point.

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