Side by side

Boldr Globetrotter GMTvsHamilton Khaki Aviation Converter Auto

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

What people say

Owners + reviewers, side by side

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

Boldr Globetrotter GMT

The Boldr Globetrotter GMT is praised for its legibility and finishing, featuring applied Super-LumiNova indices and sword hands on a matte black or sunburst blue dial. Reviewers highlight the ceramic bezel's sharp city markings and tight, smooth ratcheting action. The 44mm 316L stainless steel case exhibits a non-traditional design with radial and vertical brushing.

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.

At a glance

11 of 29 specs differ
Diameter
Globetrotter GMT40mm
Khaki Aviation Converter Auto42mm
Power Reserve
Globetrotter GMT
Khaki Aviation Converter Auto80h
Water Resistance
Globetrotter GMT200m
Khaki Aviation Converter Auto100m
MSRP
Globetrotter GMT$469
Khaki Aviation Converter Auto$1,345

Full specifications

Case

5 specs
Category
GMT
Pilot
Diameter
40mm
42mm
Thickness
12.7mm
10.87mm
Lug-to-Lug
48mm
0mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Dial Color
GMT Banff
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Seiko NH34 GMT
H-10
Power Reserve
0h
80h

Pricing

1 specs
MSRP
$469
$1,345
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