Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsZelos Blacktip 200m GMT

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

Blacktip 200m GMT
ZelosBlacktip 200m GMT
MSRP $499

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Blacktip 200m GMT41mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Blacktip 200m GMT40h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Blacktip 200m GMT200m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Blacktip 200m GMT$499

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
40mm
41mm
Thickness
14.35mm
13mm
Lug-to-Lug
46mm
41mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
MOP

Movement

3 specs
Caliber
H-51-Si
Seiko NH34 GMT
Type
Manual
Automatic
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,445
$499

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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.

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.

Zelos Blacktip 200m GMT

Owners widely praise the Zelos Blacktip 200m GMT's solid bracelet construction and excellent bezel action. The watch has sold out quickly, indicating strong demand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirable availability.

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