Side by side

Hamilton Khaki Aviation Pilot Pioneer MechanicalvsZelos Spearfish 3

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

Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical36mm
Spearfish 340mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical80h
Spearfish 340h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical100m
Spearfish 3200m
MSRP
Khaki Aviation Pilot Pioneer Mechanical$975
Spearfish 3$749

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
36mm
40mm
Thickness
9.95mm
11.5mm
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
Diver - Forged Carbon

Movement

3 specs
Caliber
H-50
La Joux-Perret G100
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$975
$749

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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 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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