Side by side

Hamilton Khaki Aviation Converter AutovsBaltic Hermétique Summer

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

Khaki Aviation Converter Auto
HamiltonKhaki Aviation Converter Auto
MSRP $1,345
Hermétique Summer
BalticHermétique Summer
MSRP $594

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Converter Auto42mm
Hermétique Summer37mm
Power Reserve
Khaki Aviation Converter Auto80h
Hermétique Summer42h
Water Resistance
Khaki Aviation Converter Auto100m
Hermétique Summer150m
MSRP
Khaki Aviation Converter Auto$1,345
Hermétique Summer$594

Full specifications

Case

4 specs
Category
Pilot
Dress
Diameter
42mm
37mm
Thickness
10.87mm
10.8mm
Water Resistance
100m
150m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Orange
Lume
None
BGW9

Movement

2 specs
Caliber
H-10
Miyota 9039
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$1,345
$594

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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 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.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable price point.

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