Side by side

Hamilton Khaki Aviation Takeoff Auto ChronovsBoldr The Boys

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

Khaki Aviation Takeoff Auto Chrono
HamiltonKhaki Aviation Takeoff Auto Chrono
MSRP $3,575
The Boys
BoldrThe Boys
MSRP $299

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation Takeoff Auto Chrono46mm
The Boys38mm
Power Reserve
Khaki Aviation Takeoff Auto Chrono60h
The Boys40h
Water Resistance
Khaki Aviation Takeoff Auto Chrono50m
The Boys200m
MSRP
Khaki Aviation Takeoff Auto Chrono$3,575
The Boys$299

Full specifications

Case

7 specs
Category
Pilot
Tool
Diameter
46mm
38mm
Thickness
16.2mm
12mm
Lug-to-Lug
46mm
44mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
The Boys' Brigade 90th Anniversary Edition
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-31
Seiko NH35A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$3,575
$299

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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 Takeoff Auto Chrono

The Hamilton Khaki Aviation Takeoff Auto Chrono is noted for its unique bullhead chronograph design and detachable functionality for desktop display, with a PVD case and yellow accents. Owners praise its solid construction, precise indices, and smooth bezel action, alongside a detailed champagne dial, crisp printing, and retro hands with good lume. However, its extreme thickness and 46.3mm width are flagged as compromising daily wearability, and some find the sizable crown guards hinder usability, while a rattling bracelet with a difficult-to-remove design is also mentioned. The watch uses the Hamilton H-31 automatic chronograph movement with a 60-hour power reserve and is a limited edition of 1999 units. On balance, owners and reviewers appreciate the Hamilton Khaki Aviation Takeoff Auto Chrono for its distinctive design and pilot-inspired legibility, despite practical concerns regarding its size and wearability.

Boldr The Boys

Boldr The Boys is praised for its lightweight, durable titanium case, ergonomic lugs, and excellent legibility with strong lume. Owners note the competitive price and good customer service, while reviewers highlight the reliable SII NH35A movement and 200m water resistance. Some owners report that titanium scratches easily and question the brand's history and recognition. On balance, owners and reviewers rate Boldr The Boys highly for its practical features and value at $299.

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