Side by side

Breitling Top Time B01vsHamilton Khaki Aviation Day Date Auto

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

Top Time B01
BreitlingTop Time B01
MSRP $750
Khaki Aviation Day Date Auto
HamiltonKhaki Aviation Day Date Auto
MSRP $1,125
What people say

Owners + reviewers, side by side

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

Breitling Top Time B01

The Breitling Top Time B01 is widely praised for its handsome design and sharp finishing, featuring the in-house B01 movement. Owners find the 41mm case wears smaller than dimensions suggest, and specific variants like the Triumph and Deus are highlighted for their attractive dials and unique details. The Breitling B01 movement is a consistent point of appreciation, with owners noting its smooth operation and 70-hour power reserve. Some owners report the watch is a favorite, even surpassing other timepieces in their collection, and find it sexier than alternatives. However, some reviewers suggest the abundant polishing on certain cases could benefit from more brushing. The lug-to-lug length on the 41mm case can be a concern for smaller wrists, prompting advice to try it on in person. One owner noted a price of $5,300 USD for the Triumph model, while another questioned a $2,500 price difference over ETA-equipped models, seeing no discernible difference between the movements.

From video reviewers

The in-house B01 chronograph movement with its 70-hour power reserve stands out as the defining strength, delivering substantial functionality and reliability across multiple variants. The compact proportions—ranging from 38mm to 41mm cases with lug-to-lug measurements between 44mm and 50mm—ensure comfortable wearability across different wrist sizes. Reviewer assessments diverged sharply on value, with one calling the £5,950 price point excellent value for the specifications, while others provided no pricing commentary.

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.

At a glance

15 of 29 specs differ
Diameter
Top Time B0141mm
Khaki Aviation Day Date Auto42mm
Power Reserve
Top Time B0170h
Khaki Aviation Day Date Auto80h
Water Resistance
Top Time B01100m
Khaki Aviation Day Date Auto100m
MSRP
Top Time B01$750
Khaki Aviation Day Date Auto$1,125

Full specifications

Case

6 specs
Category
Mechanical
Pilot
Diameter
41mm
42mm
Thickness
13.3mm
12.15mm
Lug-to-Lug
46mm
Finish
18k red gold
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Indices
Applied

Movement

4 specs
Caliber
Breitling B01
H-40 (ETA 2834-2 base)
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
80h
Jewels
0
25

Pricing

1 specs
MSRP
$750
$1,125
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