Side by side

Bremont Altitude 39 DatevsHamilton Khaki Aviation Takeoff Auto Chrono

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 Takeoff Auto Chrono
HamiltonKhaki Aviation Takeoff Auto Chrono
MSRP $3,575

At a glance

10 of 29 specs differ
Diameter
Altitude 39 Date39mm
Khaki Aviation Takeoff Auto Chrono46mm
Power Reserve
Altitude 39 Date40h
Khaki Aviation Takeoff Auto Chrono60h
Water Resistance
Altitude 39 Date100m
Khaki Aviation Takeoff Auto Chrono50m
MSRP
Altitude 39 Date$4,250
Khaki Aviation Takeoff Auto Chrono$3,575

Full specifications

Case

6 specs
Diameter
39mm
46mm
Thickness
11.19mm
16.2mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Silver
Black

Movement

2 specs
Caliber
BE-92AE
H-31
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$4,250
$3,575

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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 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.

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