Side by side

Hamilton Khaki Aviation X-Wind Auto chronovsSpinnaker Croft 39 GMT

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

Khaki Aviation X-Wind Auto chrono
HamiltonKhaki Aviation X-Wind Auto chrono
MSRP $2,095
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation X-Wind Auto chrono44mm
Croft 39 GMT39mm
Power Reserve
Khaki Aviation X-Wind Auto chrono60h
Croft 39 GMT40h
Water Resistance
Khaki Aviation X-Wind Auto chrono100m
Croft 39 GMT100m
MSRP
Khaki Aviation X-Wind Auto chrono$2,095
Croft 39 GMT$445

Full specifications

Case

6 specs
Category
Pilot
GMT
Diameter
44mm
39mm
Thickness
15.6mm
13mm
Lug-to-Lug
46mm
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Blue
Red

Movement

2 specs
Caliber
H-21
Seiko NH34A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,095
$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.

Hamilton Khaki Aviation X-Wind Auto chrono

Owners widely praise the Hamilton Khaki Aviation X-Wind Auto chrono for its good quality for the price and versatility with straps. Reviewers highlight its unique drift angle calculator function as a horological curio and legitimate navigational tool, noting its modified Valjoux 7750 movement provides a 60-hour power reserve. Some owners find the busy dial and left-handed crown/pusher setup unusual, and its lume could be stronger, while others consider it a heavy travel watch with features not useful for everyday use. On balance, owners and reviewers rate the Hamilton Khaki Aviation X-Wind Auto chrono highly for its functionality and build quality at its price point.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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