Side by side

Hamilton Khaki Aviation Day Date AutovsBoldr Odyssey Freediver

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

Khaki Aviation Day Date Auto
HamiltonKhaki Aviation Day Date Auto
MSRP $1,125
Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation Day Date Auto42mm
Odyssey Freediver40mm
Power Reserve
Khaki Aviation Day Date Auto80h
Odyssey Freediver40h
Water Resistance
Khaki Aviation Day Date Auto100m
Odyssey Freediver300m
MSRP
Khaki Aviation Day Date Auto$1,125
Odyssey Freediver$649

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
42mm
40mm
Thickness
12.15mm
14.2mm
Lug-to-Lug
46mm
48mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
202
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-40
Cal
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,125
$649

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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 Day Date Auto

Owners and reviewers widely praise the Hamilton Khaki Aviation Day Date Auto for its handsome, legible dial with raised indices and day/date complications, and its versatile, modern pilot watch design. The fully brushed case and good lume are noted strengths, with one owner finding it wears comfortably on a NATO strap. The H-10 caliber offers an 80-hour power reserve, though its decoration and regulation are less refined. Some find the 42mm size large and the skeletonized hour hand tip visually unappealing, while others note the AR coating is decent but not exceptional. Overall, owners and reviewers rate the Hamilton Khaki Aviation Day Date Auto highly for its practical design and value at its price point.

Boldr Odyssey Freediver

The Boldr Odyssey Freediver is praised for its bead-blasted steel case with polished bevels and a custom steel bracelet designed for wrist curvature. Reviewers note its strong legibility, applied details, and vintage-inspired date window on fresh dial colors. The 44mm case is surgical-grade steel with a brushed finish and angular lugs, water-resistant to 300 meters. It houses a Miyota 9075 movement with a jumping local hour function. On balance, reviewers highlight the Boldr Odyssey Freediver's thoughtful case finishing and functional movement with a local hour complication.

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