Side by side

Hamilton Khaki Aviation Pilot Pioneer MechanicalvsZelos Spearfish GMT

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

Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical36mm
Spearfish GMT40mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical80h
Spearfish GMT40h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical100m
Spearfish GMT200m
MSRP
Khaki Aviation Pilot Pioneer Mechanical$975
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
36mm
40mm
Thickness
9.95mm
13mm
Lug-to-Lug
46mm
40mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Black
Frost

Movement

3 specs
Caliber
H-50
Sellita SW330-2
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$975
$999

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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

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical for its superior fit and finish, clean and unique design, and overall value, with one owner calling it a significant step up in build quality. The watch measures 36mm wide with a 41.7mm lug-to-lug and 12.8mm thickness. Some owners express concern over its mineral crystal, with one noting the bezel's detents are "kinda whatever." On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical highly for its build quality and value proposition.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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