Side by side

Bremont S502vsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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

S502
BremontS502
MSRP $5,100
What people say

Owners + reviewers, side by side

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

Bremont S502

The Bremont S502 is widely praised for its attractive full-stealth, black DLC treatment, and the beige lume that complements its Spec Ops design, with a burnt-orange GMT hand enhancing legibility. Owners find the watch handsome and cool, appreciating the 'black & tan' aesthetic suitable for hard wear. The Bremont S502 features a 502m water-resistance rating and a 42-hour power reserve, powered by a chronometer-rated Bremont BE-93-2AV automatic movement. While many like the NATO strap for its aesthetic and how it ties in with the PVD metalwork, some prefer the original black rubber strap for its comfort and custom fit. On balance, owners and reviewers rate the Bremont S502 highly for its stealthy aesthetic and robust build.

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.

At a glance

12 of 29 specs differ
Diameter
S50243mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
S50240h
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
S502500m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
S502$5,100
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
43mm
40mm
Thickness
16.5mm
14.35mm
Lug-to-Lug
50mm
Lug Width
16.5mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
500m
100m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

3 specs
Caliber
BE-93-2AE
H-51-Si
Type
Automatic
Manual
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$5,100
$2,445
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