Side by side

Breitling Top Time B01vsHamilton Khaki Aviation Pilot Day-Date - Air Zermatt 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
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 Pilot Day-Date - Air Zermatt Auto

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto is widely praised for its value, with reviewers noting the Swatch Group's economies of scale contribute to its affordability. Owners and reviewers highlight the large, easy-to-read dial, with one source specifically mentioning the "ice-cold" blue degradé sub-dials as an unusual chromatic anomaly for its price point, and another noting the painted, luminous indices as a significant advantage. The 42mm case is described as offering a nice mix of brushed and polished finishes, and the slightly domed sapphire crystal enhances readability. The H-21 caliber provides a 60-hour power reserve and an anti-magnetic silicon balance spring, while the ETA 2834-2 movement offers precise day/date changes, though one source notes its 40-hour power reserve requires weekly winding. Some criticism is directed at the use of three different fonts and inconsistent color matching for the day/date indicators.

At a glance

15 of 29 specs differ
Diameter
Top Time B0141mm
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
Power Reserve
Top Time B0170h
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
Water Resistance
Top Time B01100m
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
MSRP
Top Time B01$750
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075

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
$1,075
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