Side by side

Hamilton Khaki Field Auto ChronovsLongines LONGINES SPIRIT FLYBACK

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

Khaki Field Auto Chrono
HamiltonKhaki Field Auto Chrono
MSRP $2,175
LONGINES SPIRIT FLYBACK
LonginesLONGINES SPIRIT FLYBACK
MSRP $5,000

At a glance

6 of 29 specs differ
Diameter
Khaki Field Auto Chrono42mm
LONGINES SPIRIT FLYBACK42mm
Power Reserve
Khaki Field Auto Chrono60h
LONGINES SPIRIT FLYBACK40h
Water Resistance
Khaki Field Auto Chrono100m
LONGINES SPIRIT FLYBACK100m
MSRP
Khaki Field Auto Chrono$2,175
LONGINES SPIRIT FLYBACK$5,000

Full specifications

Case

3 specs
Thickness
14.5mm
17mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
22mm

Movement

2 specs
Caliber
H-21
L791.4
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,175
$5,000

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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 Field Auto Chrono

The Hamilton Khaki Field Auto Chrono is widely praised for its retro military design, value proposition, and reliable ETA movement. Reviewers highlight its 42mm steel case, 100m water resistance, and the H-21 automatic movement offering a 60-hour power reserve. One editorial review notes the unusual dial layout omits a running seconds indicator for symmetry, featuring day and date windows instead. The case is described as black PVD-treated stainless steel with a brushed finish and polished bezel, complemented by a black-on-black dial with dark grey Super-LumiNova and polished Arabic numerals. Overall, owners and reviewers consider the Hamilton Khaki Field Auto Chrono a well-designed tactical sports watch offering a strong combination of style and value.

LONGINES SPIRIT FLYBACK

Owners widely praise the Longines Spirit Flyback for its attractive design, well-finished titanium case, and value as a chronometer-certified flyback chronograph. Specific positive notes include its fun and useful flyback function for cooking, and the perceived adventure-ready, indestructible feel of the titanium model. However, reviewers and owners consistently flag its 17mm thickness as a significant detractor from wearability, with some finding it too chunky for daily wear. There is also a split opinion on the dial design, with some preferring the older five-star motif and gold hands/markers, while others appreciate the cleaner, simplified dial and cutoff numerals. The Longines Spirit Flyback is priced around $5,350-$6,500 USD. Overall, owners and reviewers rate the Longines Spirit Flyback highly for its flyback chronograph complication and attractive design, despite widespread concerns about its thickness.

From video reviewers

The Spirit Flyback's heritage-inspired design is a notable strength, with a distinctive look reminiscent of the original Flyback Chronograph. The watch's price point is somewhat high compared to its competitors, which might be a drawback for some buyers. Reviewers disagree on the watch's design, with one reviewer feeling it needed more of an edge to stand out in the Spirit collection, while another praises its heritage-inspired style.

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