Side by side

Bremont S300vsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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

S300
BremontS300
MSRP $3,795

At a glance

10 of 29 specs differ
Diameter
S30040mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
S30040h
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
S300300m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
S300$3,795
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

5 specs
Category
Diver
Pilot
Thickness
14.35mm
Lug-to-Lug
46mm
Lug Width
22mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Orange
Blue

Movement

3 specs
Caliber
BE-92AE
H-51-Si
Type
Automatic
Manual
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$3,795
$2,445

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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 S300

Owners widely praise the Bremont S300 for its comfortable 40mm size, fitting well under a cuff, and its appealing dial and bezel color. The winding action is described as smooth, and timekeeping averages +3 seconds per day, with machining noted as being on par with higher-end brands. One owner suggests tapering the bracelet and adding a mixed brushing and polishing finish for improved dress-shirt wearability. However, some find its styling lacks uniqueness compared to competitors, and the approximately 49mm lug-to-lug measurement is considered unusually long and potentially ill-fitting on smaller wrists. Overall, owners rate the Bremont S300 highly for its wearability and finishing at its price point.

Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

Owners and reviewers widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono for its authentic military design, attractive dial execution, and intriguing asymmetrical case, with many appreciating its utilitarian feel and vintage vibe. The hand-wound H-51-Si movement, offering a 60-hour power reserve and accuracy around +5 to +7 seconds per day, is also noted positively, as is the satisfying feel of manual winding. Some owners find the 36mm case size light and versatile, while others note it wears larger than its dimensions suggest. However, several sources point to the mineral crystal as a drawback compared to sapphire, and the lume is generally described as weak. The included strap is frequently criticized for being too long and uncomfortable, with many preferring it on a NATO strap. On balance, owners and reviewers rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono highly for its compelling vintage military aesthetic and solid value proposition.

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